1. Math

    1. Explain the advantages and disadvantages of both the substitution method and the elimination method for solving a system. Help please. The only reasons I can think of is because in substitution it might be more difficult cause there's a possibility of

    asked by Amanda on February 18, 2008
  2. algebra

    Solve by using the elimination method. 7x-8y=-20 8x+7y=74

    asked by Christina on August 13, 2012
  3. algebra

    solve by the elimination method 3x+4y=3 6x+8y=6 help please

    asked by a on January 24, 2010
  4. math/116

    solve x+y=7 x-y=5 using elimination method

    asked by lynn on June 4, 2012
  5. math

    elimination method 4p+3q=6 and 3p-5q=-10

    asked by john on February 19, 2019
  6. algebra

    "Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like the best? Why? What circumstances would cause you to use a different method? Consider responding to

    asked by Anonymous on July 7, 2009
  7. Algebra

    Solve using the elimination method. 2x +3y = 2, 4x + 6y =4.

    asked by A.W. on March 22, 2009
  8. HELP

    Solve using the elimination method? 4x-9y=6.5 AND 7Y-2X=4.5

    asked by tera on February 9, 2009
  9. 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
  10. Algebra

    Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method?

    asked by John on March 4, 2008
  11. mathematics

    2m+n=3 3m+4n=2 In Elimination method

    asked by Delight on November 16, 2016
  12. pre calc

    solve following using "elimination method" 3x^2 + 4y = 17 2x^2 + 5y = 12

    asked by Keith on May 19, 2010
  13. math

    Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method?

    asked by yolanda on July 1, 2008
  14. pre calculus

    Describe the advantages and disadvantages of The method of substitution”, “The method of graphing”, and “The method of elimination” of solving systems of equations

    asked by Anonymous on November 29, 2016
  15. MaTh = Algebra = help

    Solve this system of linear equaiton by an algebraic method. So If I had to solve this the elimination method way, how would I do it? x-2y = 10 3x-y = 0

    asked by Rihanna on January 17, 2011
  16. 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
  17. Algebra 1

    bobpursey, In this problem you helped me with earlier: Solve using any appropriate method. y = 2× - 5, y = ½× + 1 Substitution, substitute for y. 2×-5=½ × + 1 3/2 x=6 x=4 y= 2*4-5=3 How did you choose which method you were going to use between

    asked by slomo on January 3, 2015
  18. Algebra

    Solve by elimination method. 7r-3s=14 3r+7s=64 Could never figure out the elimination method. Would love some help with this one. Thanks

    asked by Christina on December 7, 2010
  19. 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
  20. algebra

    o Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? o What circumstances would cause you to use a different method?

    asked by lacey on January 26, 2010
  21. MATH

    SYSTEMS OF EQUATIONS CAN BE SOLVED BY GRAPHING OR BY USING SUBSTITUTION OR ELIMINATION. WHAT ARE THE PROS AND CONS OF EACH METHOD? WHICH METHOD DO YOU LIKE BEST? WHY? WHAT CIRCUMSTANCES WOULD CAUSE YOU TO USE A DIFFERENT METHOD?

    asked by Davisha on February 4, 2009
  22. math

    SYSTEMS OF EQUATIONS CAN BE SOLVED BY GRAPHING OR BY USING SUBSTITUTION OR ELIMINATION. WHA ARE THE PROS AND CONS OF EACH METHOD? WHICH METHOD FO YOU LIKE BEST? WHY? WHAT CIRCUMSTANCES WOULD CAUSE YOU TO USE A DIFFERENT METHOD?

    asked by DAVISHA on February 4, 2009
  23. 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
  24. Algebra

    Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method? I can answer all them

    asked by dawn on September 14, 2008
  25. Mathematics

    True / False: The Plurality-with-Elimination Method sometimes violates (i.e. does not always satisfy) the majority criterion. 1. False because the plurality-with-elimination method always requires the winner to have the majority of votes. 2. True because

    asked by Gaby on March 29, 2017
  26. MATH

    Useing substitution/elimination method what is the solution set to 2x+y=1 x^2=y+2 a)(-3,7) and (1,-1) b)(3,7) and (-1,-1) c)(-3,-7) and (1,1) d)(3,-7) and (-1,1) I've really no educated guess so PLEASE HELP! You can make an educated guess by substituting

    asked by Anonymous on January 16, 2007
  27. math

    can someone please help me with this elimination methods problem? 0.05x+0.25y=11 0.15x+0.05y=12 solve using the elimination method and give the ordered pair...

    asked by Kristin on March 13, 2010
  28. algebra

    Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method? Consider responding to your

    asked by Anonymous on January 25, 2010
  29. Algebra II

    How do you solve the linear equations x+y=5 3x-y=3 by use of the Substitution Method? (Please do not confuse with the Elimination Method)

    asked by Ashley on February 24, 2009
  30. College Algebra

    Solve for elimination method,substitution method and cramer's rule for 8x - 4y + 2z =16

    asked by MJ on September 1, 2016
  31. algebra

    1 Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for a 2 4 7 3 2 Solve the set of linear equations by Guassian elimination method : a+2b+3c=5, 3a-b+2c=8, 4a-6b-4c=-2. Find a 1 4 5 -1 3 Solve the set of

    asked by Mandung on January 14, 2013
  32. mat116

    Can you please look over these and let me know if they are right? 1/4(5x-1/2)-5/3

    asked by Anonymous on October 1, 2009
  33. mat116

    Can you please look over these and let me know if they are right? 1/4(5x-1/2)-5/3

    asked by Anonymous on October 1, 2009
  34. Math

    1) x+2y=7, 2x-y=4 What I did: multiply 2x-y=4 by -2 so I could eliminate the y variable. -4x-2y = -8 + x +2y =7 = -3x =-1 Divided -1 by =1 and got x=1/3 I only need someone to check my answer. Also one last question, can I use the elimination method for

    asked by lijm on September 7, 2019
  35. math

    Elimination Method....I am not understanding this method either and need some help here is what I am working on: 1) x+8y=33 -x+4y=3 2) 5x+5y=-7 7x-2y=13 3) 0.3x-0.2y=4 0.5x+0.3y=-7/17 Can someone please help me with these!

    asked by Kristin on March 13, 2010
  36. Pre-Calculus

    Solve for x,y,z, & w using the Gauss-Jordan Elimination Method 5x+3y+z+5w=-2 3x+2y+2z+4w=2 2x+4y+3z-3w=-11 4x-3y-2z+2w=-3 Can anyone help me please? Thanks.... What is the Gauss-Jordan Elimination Method?

    asked by Linda on December 5, 2006
  37. algebra

    Elimination method or substitution method. 1. 3/5x = 1/2y + 11 2. 3x + 8y + 13

    asked by jen on December 14, 2016
  38. math

    Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

    asked by Amanda on November 11, 2009
  39. math

    Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

    asked by Amanda on November 11, 2009
  40. algebra

    Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

    asked by Anonymous on November 11, 2009
  41. Math

    x=-y+3 5x-y=-2 Solve using Elimination I already solved the equation using Substitution, Graphing, and a table I just need a little more help on Elimination. I know that in Elimination they have to be in the same form so I put it in slope intercept which

    asked by M on January 20, 2015
  42. Algebra

    using elimination method x + 6y = 58 -x + 7y = 59 Help please!!!!

    asked by Michael R on August 24, 2014
  43. math

    1/2x+1/3y=5 1/4x+1/3y=4 elimination method

    asked by dawn on December 13, 2010
  44. Math

    2r+3s=29 3r+2s=16 In elimination method

    asked by WURAOLA on May 3, 2020
  45. Algebra

    Elimination method: x+5y=-13 2x-5y=-19 ( , )

    asked by Mike Barrow on November 28, 2011
  46. math

    3x-2y=8 5x-2y=9 using elimination method.. please help.

    asked by sally on September 26, 2015
  47. math

    elimination method 4p+3q=6 and 3p-5q=-1o

    asked by Anonymous on January 17, 2020
  48. algebra

    what is 7x-9y=13 and 9x+7y=91 elimination method

    asked by beverly on August 7, 2013
  49. algebra

    what is -3x-y=-15 using the 8x+4y=48 elimination method

    asked by kyra on April 13, 2011
  50. algebra

    elimination method 3r-5s=-14 5r+35-56

    asked by shirley on January 8, 2011
  51. alberga

    3r-5s=-4 5r+3s=16 elimination method

    asked by Anonymous on October 29, 2011
  52. math

    elimination method -3x+4y=19.5 -3x+y=10.5

    asked by sam on July 22, 2012
  53. maths

    1.solve the set of linear equation by matrix method.a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9 solve for a,b,c 2.solve by Guassian elimination method, (a)a+2b+3c=5,3a-b+2c=8,4a-6b-4c=-2, (b)

    asked by emmanuel konwei on March 3, 2015
  54. math problem

    very confused could someone help me with this using the elimination method 5r-3s=16 3r+5s=30

    asked by DJ on January 21, 2012
  55. math

    solve 2x-y=11 and x+y=13 using the elimination method

    asked by sonja on September 4, 2012
  56. math

    Solve by elimination method. 2r-5s=-33 5r+2s=48

    asked by Amanda on November 11, 2009
  57. Math

    Use the Elimination Method to Solve for x and y 2x – y = -2 x + y = 5

    asked by Mya on February 27, 2017
  58. Math

    4x-3y=5 Solve { 5y+7=3x using the method of elimination.

    asked by Jeff on November 27, 2013
  59. math help me plz

    elimination method 1> 7x+15y=32 x-3y=20

    asked by Anonymous on January 7, 2009
  60. Algebra

    Solve by elimination method. 2x+ 3y = 1 4x + 6y= 2

    asked by John on January 31, 2010
  61. Algebra

    Solve by elimination method.. 3r - 5s = 14 5r + 3s = 46.

    asked by A.W. on March 22, 2009
  62. Algebra

    solve by elimination method 5x+2y=-13, 7x-3y=17

    asked by Erica on June 11, 2010
  63. mat/116

    solve by elimination method. 7r-2s=61 2r+7s=25

    asked by Lisa on January 30, 2011
  64. math

    1) x+8y=33 -x+4y=3 I need help solving this one using the elimination method!

    asked by Kristin on March 13, 2010
  65. Algebra

    Solve by the elimination method: 7r-9s=-35 9r+7s=85

    asked by Ashly on August 20, 2010
  66. math

    solve the elimination method for 3x+7y=-32 7x+3y=-8

    asked by felicia on February 20, 2012
  67. algebra 1

    What is the solution to -2x+5y=-1 and 3x+2y=11 by using elimination method

    asked by Rosaura on January 17, 2012
  68. Math

    Solve using the elimination method. 2x/5 + y/2 = 3 x/2-y/6=2 Please and Thank you

    asked by Madison on October 4, 2016
  69. college

    How o Isolve by using the elimination method. 5x + 5y= -7 7x - 2y= 17

    asked by Trina on June 5, 2010
  70. math

    3x=5y 6x-7y=17 Using Elimination Method (?) Find x and y

    asked by lilly on April 1, 2019
  71. algebra

    solve using the elimination method -2x+3y=5 2x-y=1 x+y=6 x-y=4

    asked by pat on April 1, 2014
  72. Math

    Solve by the elimination method. 2r-5s = -11 5r + 2s = 16

    asked by Joe on January 31, 2010
  73. Math

    Solve using the elimination method. -3x+6y=-3 -6x+4y=-10

    asked by Chrissy on January 11, 2012
  74. Mathematics

    How to use the method of elimination to solve 5a - 2b = 14 ,2a + 2b = 14

    asked by Godwin on January 4, 2020
  75. Algebra

    SOLVE BY ELIMINATION METHOD 7r-8s+-20 8r+7s+74

    asked by Tracy on January 20, 2011
  76. Algebra

    To solve by the elimination method. 5x+7y=40,x=y+3

    asked by Ann on September 24, 2016
  77. Math

    solving using the elimination method 0.3x-0.2y=4 0.2x+0.3y=5/23

    asked by Janelle on August 10, 2014
  78. Algebra

    3/2x - y = 24. solve using elimination method

    asked by Jules on July 21, 2016
  79. Math

    y=3x+2 4x-2y=-8 Solve using Elimination method

    asked by M on January 20, 2015
  80. Math 116 algebra

    solve by the elimination method 3r - 7s = -28 7r + 3s = 70

    asked by boo boo on July 15, 2008
  81. math

    solve by the elimination method x+6y=12 -x+7y=1

    asked by Margie on July 25, 2011
  82. Math

    Solve by using Elimination method. 5r-6s=29 6r+5s=47

    asked by Amy on October 18, 2008
  83. math

    Solve using the elimination method. 4x+3y=-45.5 -5x+8y=-43

    asked by Chrissy on January 11, 2012
  84. usa

    solve using the elimination method. -2x-8y=-42 -4x+6y=-18

    asked by Anonymous on May 27, 2012
  85. Math

    Could you please show me how to do this? It says to use the elimination method. 2x-y+2z=-7 -x+2y-4z=5 x+4y-6z=-1

    asked by Geno on September 24, 2007
  86. algebra

    Solve by elimination method 3x+4y=5 6x+8y=10

    asked by lola on July 20, 2011
  87. math

    How do you solve using the elimination method 0.3x-0.2y=4 0.5x+0.3y=-7/17

    asked by Kristen on March 13, 2010
  88. Math

    Q.1. Define Elimination Method.

    asked by Vedprakash Solanki on September 26, 2016
  89. math

    solve by the elimination method x + y = -2 4x - 6y = -3

    asked by nancy on May 9, 2013
  90. man

    How to -2x+6y=-26 8x+6y=-1 6using elimination method

    asked by Ray on March 24, 2014
  91. math

    How do you solve using the elimination method 0.3x-0.2y=4 0.5x+0.3y=-7/17

    asked by Kristen on March 13, 2010
  92. math

    solve by elimination method o.3x-0.2y=4 0.4x+0.3y= 49/23

    asked by Trena on July 26, 2011
  93. College Algebra

    solve using the elimination method x-7y=46 2x-7y=43

    asked by Ashley on January 28, 2010
  94. algebra 1

    how do i solve -4x-2y=-12 and 4x+8y=-24 using the elimination method?

    asked by lexi on November 19, 2014
  95. algebra

    Solve by using the elimination method. 2x=2+4y -3/2x+y=-31/2

    asked by Christina on August 13, 2012
  96. math

    Using elimination method solve 2/x-3/y=1, 8/x+9/y=1/2

    asked by collins on June 1, 2018
  97. algebra

    Please help solve with elimination method. -6x+6y=18 7x+5y=-9

    asked by AC on October 29, 2014
  98. MATH

    SOLVE BY ELIMINATION METHOD 7r-8s+-20 8r+7s+74

    asked by sally on January 20, 2011
  99. algebra

    Solve by the elimination method. 2x-7y=-36 7x+2y=33

    asked by Christina on August 12, 2012
  100. Algebra Help!!

    solve using the elimination method. x + 3y = 20 -x + 2y = 0

    asked by slomo on January 11, 2015