Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,330 questions
1. Intermediate Algebra

Solve using the elimination method.Show work.If system has no solution state this or infinite solution 8x+10y=-34 16x-5y=-43

asked by sherry on March 27, 2012
2. Algebra

Solve using the elimination method.Show work.If the system has no solution or an infinite number of solution state ths...-5x+4y=-16,-15x+2y=-58

asked by sherry on March 22, 2012
3. Intermediate Algebra (Math)

HELP PLEASE, Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -2x Ð 8y = 22 -6x Ð y = 20 At first I tried to multiply by 8 but that did not work.

asked by Lyri on October 11, 2010
4. College Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.

asked by Jack on February 20, 2011
5. algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -8x – 2y = -28 -3x + 5y = 47

asked by Anonymous on March 4, 2012
6. algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x + 4y = -19.5 -3x + y = -10.5

asked by Joel on February 22, 2011
7. algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -7x – 5y = 1.5 -5x – 4y = 4.5

asked by Joel on February 22, 2011
8. Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x – 5y = 61 7x – 5y = -9

asked by Betty on February 22, 2011
9. College Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -7x – y = -30 4x + y = 21

10. Intermediate Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -7x Ð 5y = 1.5 -5x Ð 4y = 4.5

asked by Jordyn on October 11, 2010
11. algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x-6y=2 -8x+6y=-26

asked by Ann on July 3, 2012
12. algebra

Solve using the elimination method. Show your work. If the system has not solution or an infinite number of solutions, state this. -2x-8y=-42 -4x+6y=-18

asked by Ann on July 3, 2012
13. algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x + 6y = -3 / -6x + 4y = -10

asked by Jackster on February 21, 2011
14. intermediat algebra

. Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -2x + 9y = 56 9x – 9y = 0

asked by jack on February 19, 2011
15. Math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + y = 10 x – y = 2

asked by Shirley on February 2, 2012
16. math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + y = 10 x – y = 2

asked by Shirley on February 2, 2012
17. Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 1/5x -1/4 y = 3 2/5x + 1/2y = 2

asked by Kim on March 11, 2010
18. algebra

solve using the elimination method. show your work. if the system has no solution or an infinite number of solutions, state this x+y=10 x-y=2

asked by Anonymous on June 30, 2011
19. intermediate algebra

Solve using the elimination method. Show all work. If the system has no solution or an infinite number of solutions, state this. 3x+7y=77 -2x+7y=42

asked by ROCKY on July 30, 2011
20. intermediate algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions,state this. 3x+7y=77 -2x+7y=42

asked by ROCKY on August 1, 2011
21. math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x – 5y = 61 7x – 5y = -9

asked by Shirley on February 5, 2012
22. math

solve using the elimination method.show your work. if the system has no solution or infintite number of solutions, state this 4x-6y=30, 3x-5y=24

asked by Tiana on February 16, 2011
23. Algebra

Solve using the elimination method.Show work.If the system has no solution or an infinite number of solutions state this. 7x+8y=51,7x+10y=55

asked by sherry on March 22, 2012
24. math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.2x + 2y = 202x – 2y = 4

asked by carol on May 2, 2011
25. algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -5x – 7y = 25.5 -2x + 10y = -9

asked by Jackster on February 21, 2011
26. Math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.5

asked by Shirley on February 5, 2012
27. algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -x – 8y = 43 4x + 32y = 172

asked by Joel on February 22, 2011
28. Algebra (Intermediate)

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 9x + 6y = 60 -27x Ð 18y = -180

asked by JerryJ on October 11, 2010
29. College Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 11x + 8y = 103 22x – 7y = 68

30. Intermediate Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 14x + 18y = -54,-4x – 14y = 42

asked by Ciara on April 4, 2012
31. algbera

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

asked by kozy on May 1, 2011
32. intermediate algebra

solve using the elimination method. show your work. if the system has no solution or an infinte number of solutions, state this. 14x+18y=-54 -4x-14y=42 help me please

asked by TB on August 22, 2012
33. algebra

DonniceLifesaver I just want to know if my answer right?? Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x – y = 12.5 3x + y = 7

asked by Donnice on August 10, 2011
34. algebra - college

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 11x + 8y = 103 22x – 7y = 68

asked by hog tied on November 13, 2010
35. Alga...

DonniceLifesaver I just want to know if my answer right?? Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x – y = 12.5 3x + y = 7

asked by Donnice on August 10, 2011
36. math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -15r + 12s = 24 30r – 24s = 48

asked by NATASHA on June 21, 2011
37. Math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 8x + 11y = -50 -32x – 44y = -200

asked by Donnice on August 10, 2011
38. Math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 8x + 11y = -50 -32x – 44y = -200

asked by Donnice on August 10, 2011
39. Intermediate Algebra

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 7y = -120.5 -20x – 14y = 241

asked by Jack on February 20, 2011
40. Intermediate Algebra

Solve using elimination method. If the system has no system or infinite number of solutions, state this. Please show all work. I need to show how I came about my answer. I need this as soon as possible please. I would appreciate any and all help!! 2x+2y=20

41. Algebra

I am great at math but for some reason can not wrap my brain around Algebra for the world! Please Help!! Im stumped! Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x –

asked by June on November 17, 2010
42. Algebra

Sovle using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this -2x + 3y = -37.5 -4x + 0y = -24

asked by Destiny on September 18, 2011
43. Algebra

1,Sovle using the substitution method. Show your work. If the system has no solution or an infinite number of solutions,state this. -x - 3y = -20 5x + 3y =40 2 Sovle using the elimination method. Show your work. If the system has no solution or an infinite

asked by Destiny on September 18, 2011
44. Algebra

Solving system of linear equations by using the apropiate method name the method and the x,y coordinates 1)X=4y+8 2x-8y=-3 2)3x-7y=6 elimination method 2x+7y=4 (2,0) 3)5x-2y=12 elimination method 3x-2y=-2 (7,23/2) 4)9x-8y=42 elimination method 4x+8y=-16

asked by Chris on December 1, 2008
45. Algebra Multiple Choice

Hello, This is the last of questions I have for my practice assignment. Again I will put what I got. Thanks for your help. 1.) Solve the system using substitution. Write answer as an ordered pair. 4x+2y=8 -5x-2=y A.) First equation (-2,8) B.) Second

asked by Kris on March 21, 2013
46. math

Please solve the system with the elimination method. Explain each step as it is performed. 5y = x 2x - 3y = 7 Would the elimination method have been your first choice to solve this problem?

asked by cathy on December 18, 2014
47. math elimination method

elimination method really confuses me. solve by elimination method 5r -3s = 17 3r + 5s =17 A. solution is ______ (ordered pair, integer or fraction) B. Infinitely many C. No Solution

asked by Lorri on July 9, 2010
48. algebra

solve the elimination method 7r-3s=0 3r+7s=58 what is the solution of the system

asked by john on September 6, 2011
49. math 116

solve by the elimination method. 7r-3s=53 3r+7s=31 What is the solution of the system?

asked by Tanya on August 15, 2010
50. Math

Solve by the elimination method 7x-y=17 x+7y=31 What is the solution of the system?

asked by Jessica on February 14, 2011
51. Math 116 algebra please check

Solve by the elimination method 3r-7s=-28 7r+3s=70 What is the solution of the system r=7 and s=7

asked by jay jay on July 16, 2008
52. Algebra....HELP!!

Solve the elimination method 7a + 6b = 3 -7a +b = 25 The solution of the system is?

asked by Theresa on September 7, 2012
53. college

solve by the elimination method 4x+8y=8 -4x+y=10 What is the solution of the system?

asked by Lee on September 1, 2009
54. algebra

solve by elimination method what is the solution of the system? 0.3x-0.2y=4 0.5x+0.3y=1 solution?___ type in ordered pair there are infinitely many solutions___ no solution?

asked by akaray on December 17, 2009
55. Math

solve the elimination method 8a+2b=2 -8a+b=13 determined the solution of the system

asked by Denise on July 24, 2013
56. algebra

Solve using the eliminattion method. Show your work. If the system has no solution or an infinite number of solution, state this. -2x-8y==42 -4x+6y=-18

asked by Ann on July 5, 2012
57. algebra

I need help with these problem someone told me that you was not helping them. Please help me!! 5/4x +1/8x=11/8 +x The solution is x= Solve by the elimination method. 4x +5y=5 8x +10y=10 What is the solution of the system.

asked by Elaine on April 7, 2009
58. Math

solve by the elimination method. what is the solution of the system? type a pair, an integer or a fraction, N if no solution, and I for many solutions. Q: x + 8y = 17 -x + 2y = 3 A: N?

asked by Carmen on November 2, 2008
59. Algebra (Intermediate)

5. Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 9x + 6y = 60 -27x Ð 18y = -180 Here's where I am at now: 9x(3) + 6y(3) = 60 27x +18y + 60 27 x + 18y = 60 -27x -18y = 180

asked by JerryJ on October 11, 2010
60. Math 116 algebra please check

Solve by elimination method 2x + 3y =1 4x + 6y =2 What is the solution of the system N there is no solution

asked by jay jay on July 16, 2008
61. Algebra....HELP!!

Use the elimination method to solve the system of equations a + 6b =4 a + 3b = -2 What is the solution in an ordered pair?

asked by Theresa on September 9, 2012
62. Algebra

Solve by the elimination method. 5r-7s=-37 7r+5s=37 What is the solution of the system? Type an ordered pair.

asked by Anonymous on August 2, 2008
63. Algebra

Solve the following systems of equations using the addition (elimination) method. What type of system is it? Name the solution if there is one. 13. x+y=6 x-y=4

asked by Steveo on March 2, 2014
64. math

solve using the elimination method. If the system has no solution or infinite number of solutions a state this 4x-6y=30 3x-5y=24

asked by nicholas on February 16, 2011
65. Linear Equations

Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. -2x - 8y = 22 -6x - y = 20

asked by Kelli on May 23, 2011
66. Math

Solve by eliminnation methods 2x-4y=5 2x-4y=6 solve the system by elimination method 5x+2y= -13 7x-3y=17 Solve x+64 Determine whether the given numbers are solutions of the inequality 8,-10,-18,-3 y-8>2y-3 Solve by the substitutioj method 2m+n=9 m-5n=10

asked by jay jay on July 14, 2008
67. Algebra

Checking a few answers to some algebra problems: 1.Find the slope of the line that passes through the points (-4,1) and (3,5). I got m = 5-1 / 3-(4) Answer is m = 4/7 2.Find the equation, in slope-intercept form, of the line that passes through the points

asked by John on October 15, 2007
68. Algebra Help

1. Verify that (-4, 12) is the solution to the system. Show work to justify your answer 2x+y=5 -5x-2y=-6 2. Solve the system by graphing. State the solution. x + y =2 2y – x = 10 3. Solve the system by substitution. State whether the system has one

asked by PicturesDon'tChangeThePeopleInsideOfThemDo on December 21, 2017
69. Intermediate Algebra

Solve using the elimination method. Show your work. 14x+18y=54 -4x-14y=42 HELP please

asked by TB on August 22, 2012
70. Linear Equations

Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. 10x - y = 12.5 3x + y = 7

asked by Wayne on May 24, 2011
71. Algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12

asked by gina on July 5, 2011
72. Algebra

Solve using the elimiation method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x=6y= -2 -8x+6y= -26

asked by Ann on July 5, 2012
73. algebra

solve using the eliminatin method. show your work. if the system has no solution or an infinite number of solutions,state this x+y=10 x-y=2

asked by Anonymous on June 30, 2011
74. algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12

asked by tom on July 6, 2011
75. Algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this: 4x + 4y = -36, 4x + 4y = 12

asked by Tammy on July 1, 2011
76. Algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12

asked by toni on July 3, 2011
77. math

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 8y + 2x = 48 2x = 4y – 12

asked by Taina on June 20, 2011
78. Algebra

Solve the following system of equations by the elimination method. 1/3x+1/4y=7 1/3x-3/4y=-9 a)The solution is___?(Type an ordered pair. Use integers or fractions for any numbers in the expression) b)Infinitely many solutions c)No solution

asked by SpaceGazing on February 22, 2014
79. Math

Use elimination to solve each system of equations. x+y-2z=10 8x-9y-z=5 3x+4y+2z=-10 I need to figure out what x,y, and z each equal. I must use the elimination method.

asked by Karli on January 11, 2010
80. Intermediate Algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x + y = 4 x + 3y = 22 Here's what I came up with (where did I go wrong) -3x + y = 4 y = 4 - 3x -3x + (4-3x) = 4 -3x + 1x =

asked by Jordyn on October 11, 2010
81. Algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + 10y = 41 x + 9y = 37

asked by Betty on February 21, 2011
82. algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + 10y = 41 x + 9y = 37

asked by Joel on February 22, 2011
83. Discrete Math

I am really stuck on these problems. I've worked a lot of them but I can't get these. Sometimes I think I know the answer but I can't show how I got it. 1.) Solve each matrix equation for X. 2X + 5A = B 2.) Find the following matrices: a. AB b. BA A= 2 4 3

asked by Ryan on February 25, 2010
84. Algebra

7x + 5 = y 3.5x + 20 = y Solve the system of equations. What method did you use to solve the system and why? Show your work. Can someone please explain to me the process of solving the system? That would be nice. Thanks! (=

asked by Scarlet on May 17, 2016
85. algebra

solve by the elimination method What is the solution of the system? 5x+5y=-7 7x-2y=19 solution is?____ there are infinitely many solutions ____ there is no solution?_____

asked by akaray on December 17, 2009
86. algebra

solve by the elimination method x+4y=17 -x+6y=3 What is the solution of the system? the solution is ______ there are infinitely many solutions ___ or there is no solution?______

asked by akaray on December 17, 2009
87. Substitution Method in Algebra!HELP PLZ!

Use the Substitution method to solve the system of equations. 3x + y = 5 4x - 7y = -10 multiply first equation by 4 multiply second equation by 3 thus both equations have same x or y value in this case it is the x value. 12x + 4y = 20 12x - 21y = -30 solve

asked by Matthew on November 5, 2006
88. Math

How do i solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

asked by jackster on March 23, 2011
89. Algebra/Elimination method

Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. -27x - 18y = -180 9x + 6y = 60

asked by Kelli on May 24, 2011
90. algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 3x – 15y = -12 3x + 24y = -12

asked by Linda on November 14, 2011
91. Math

Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule.

asked by Angel on November 17, 2010
92. College Algebra

Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule.

asked by Roger on November 17, 2010
93. Algebra II-Please check my solution

Solve by elimination method-thanks fro checking my work 2x + 3y= 2 multiply this equation by 2= 4x + 6y = 4 4x-2y = -28 4x + 6y = 4 -4x -2y = -28 8y = 32 y = 4 2x + 3(4) = 2 2x + 12 = 2 2x + 2-12 2x = -10 x = -5 solution = (-5,4)

asked by Joella on February 16, 2011
94. Algebra-Multiple choice

Hello, I have some practice math I'm working through and I'm unsure about the answer. I will also put what I got. Thanks for the help. 1. Solve using any method and identify the system as consistent, inconsistent, or dependent. -2x+y=8 2x+2y=-8 A.) (-4,0);

asked by Kris on March 21, 2013
95. intermediate algebra

Solve uing the subtitution method. Show your work. If the system has no solution or an infinite number of solutions, stat this,3x-15y=-12 3x+24y=-12

asked by ROCKY on July 30, 2011
96. algebra

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 18x + 6y = 78 12x + 54y = -48

asked by Anonymous on February 21, 2012
97. intermediate algebra

solve using the substition method. show your work. if the system has no solution or an iniinite number of solutions, state this 18x+6y=78 12x+54y=-48

asked by TB on August 22, 2012
98. college Algebra

Write the system as a matrix and solve it by Gauss-Jordan elimination. (If the system is inconsistent, enter INCONSISTENT. If the system has infinitely many solutions, show a general solution in terms of x, y, or z.) x + 2y − z = 5 2x − y + z = 2 3x

asked by Dee on December 15, 2013
99. Algebra 1 college

How much of a 12% saline solution should be mixed with a 4% saline solution to obtain 40 milliliters of a 6% saline solution?. Use a system of equations and elimination method to solve. can someone please see if I am on the right track. 12T + 4F=6x40 -4

asked by Sophia on February 3, 2016
100. algebra

i need help with these problems (either a solution or how to plug them into a graphing calculator): 1) Solve by substitution or elimination 4/x + 1/y + 2/z = 4 2/x + 3/y - 1/z = 1 1/x + 1/y + 1/z = 4 2)Solve the system of equations by substitution. x^2 +

asked by Alyssa on April 5, 2011