# 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

91,718 questions, page 400
1. ## algebra

Could you please help me solve. 3x+10>=7 and 2x-14>=-8 >= means greater than equal then thank you

asked by jess on April 4, 2010
2. ## algebra

Solve tne compound inequality 4x+2>= -22 or 7x+2>= -19 Thank you

asked by jess on April 4, 2010
3. ## Math

Solve for t using natural logarithms. 7e^3t = 10e^2t

asked by Emily on September 11, 2012
4. ## 7th grade math

solve for k -4k-8k+7=-53 Please explain how you found your answer!! Please help!!

asked by Alyssa on August 8, 2012
5. ## pre calc

solve the given equation cos(θ) − sin(θ) = 1

asked by Samantha on April 15, 2017
6. ## Algebra

please help me and explain how you got the answer. Solve the equation. y + (–6) = –9 A. –15 B. –3 C. 54 D. 3

asked by Amber on July 29, 2014
7. ## math

Solve this : (8x^3 ) - (168x^2) + ( 864x) = 1120 please >>>>>>>>>> I need it >>> please

asked by Robert on January 21, 2008
8. ## algebra

Solve by factoring x^2 plus 8x ,minus 20 equal 0

asked by kate on November 18, 2007
9. ## algebra

can i get help with this question please solve by completeing the square 1/2x^2 -7x=16

asked by Rick on October 3, 2013
10. ## math

solve by the quadriatic formula, Im still trying to figure how to do this can someone please help me. (5x+1)^2 + 13=0

asked by jerri on October 3, 2013
11. ## pre-cal: one-to-one property

i am not sure how to do these problems... *use the one-to-one property to solve the equation for x* 1. 2^(x-2)= 1/32 2. e^(x^2-3)=e^2x

asked by Anonymous on November 10, 2007
12. ## math

how do I solve PATH*AT=DENSE using the numbers 6,3,4,1,7,2,0,9. Thanks

asked by Max on April 18, 2012
13. ## AP Calculus AB

how do you solve limit approaching 0 of (sin^2x) / (x)

asked by Jackie on September 10, 2011
14. ## calculus

Solve the equation: Cos^2x + cosx + 0

asked by clf on June 5, 2012
15. ## Math

Given RS || TU, m∠7 = (3x - 10), and m∠3 = (2x + 5) what is m∠1 I don´t know how to solve this. There´s a pic but i can´t post it.

asked by cassie on January 3, 2016
16. ## AP Physics

mgh=1/2mv^2, solve for the variable v

asked by Lisa on August 1, 2010
17. ## Math

solve these questions using distributive property 30% Of 10= 30% of 20= 30% of 30=

asked by James on July 23, 2016
18. ## 9th grade

solve and comparison: a)4x-9y+4 6x+15y=-13 im so lost!!!!!

asked by helpme!!!!!!!!! on March 15, 2009
19. ## Calculus help plz

Integrate:cosmxcosnx.dx if m=n i can not solve it i have tried my best but to no avail

asked by Collins on January 4, 2016
20. ## math 10 slopes eqaution!!! HELP! please

solve and comparison: a)4x-9y+4 6x+15y=-13 im so lost!!!!!

asked by helpme!!!!!!!!! on March 15, 2009
21. ## Math

Solve. Round to the nearest one decimal. 7x^3 + 5x^2 - 5x - 3

asked by Labz on June 4, 2012
22. ## math

how do you solve factoring the binomial by grouping (x +3)y = (x+3)6=

asked by namisha on February 24, 2010
23. ## math/cal/trig solve for t

solve for t: 0=4sin(2t)cos(2t)-sin(2t)

asked by Lucy on February 27, 2012
24. ## Math

With order of operations, how would I solve this equation?! 12-18.5+15+6.3-1+28

asked by :)help please on September 26, 2009
25. ## algebra

solve by using multiplication principle -3/7x=6/35 x=______________

asked by thawk on November 8, 2010
26. ## algebra

Solve -7(11-4w) -15w= negative 27-(50-13w)

asked by sharday on November 4, 2011
27. ## algebra

I have been trying to solve this question, and I am not getting the right answer. I need to do Grouping 5x^3+5x^2-x+1

asked by Anonymous on February 24, 2010
28. ## grade 9 math slope equations

solve and comparison: a)4x-9y=4 6x+15y=-13 im so lost!!!!!

asked by rany on March 15, 2009
29. ## Math help

How would i solve 3x^2 - 4 = 0? And in simplest radical form?

asked by Rachel on July 23, 2008
30. ## pre-cal

solve for all values in [0,2pie) 2sin^2x-1=0

asked by Argelia on February 12, 2013
31. ## Math

Can someone help me to solve this scientific notation equation. (5.7 x 10^3)^-^4

asked by Tyler on February 16, 2014
32. ## Algebra II

Solve 1. 3x^2-9x=0 2. 12x^2+30x=-12 3. 9a(a+1)=4 4. 16x^2=25

asked by Amber on July 1, 2011
33. ## Precalculus

Solve the triangle ABC under the given conditions. a = 19, b = 8.2, c = 12 A= B= C=

asked by Johnathan on December 13, 2010
34. ## Algebra

Solve (8X5)+(8X1)-(2x6)+6-2x(2-1)

asked by Joanne on January 31, 2018
35. ## Geometry

1. Let S be between R and T. Use the Segment Addition Postulate to solve for m. RS = 2m + 2 ST = 3m + 3 RT = 15 A. m = 3 B. m = 2 C. m = 9 D. m = 4

asked by Lauren on February 2, 2018
36. ## algebra

solve by completing the square x^2-10x=10

asked by becca on January 17, 2012
37. ## Algebra

Solve the equation and check your answer (q+9)/5 + (q-2)/2 = 11/5

asked by Jess on September 11, 2011
38. ## Geometry

how would solve this inequality 106>19p+6+6p

asked by Sonshine on December 13, 2010
39. ## Math

How would I solve equations with variables on both sides? Please help!

asked by Tanner on February 11, 2013
40. ## prealgebra

How do you solve this??? foodbill:\$18 salestax:%5 Tip:%20

asked by vick on February 26, 2012
41. ## math

solve the following smultaneous equations 3x plus 2y =21 and x plus y = 8 3x -14y =0 and x - 4y plus 1 =0

asked by lerato on May 17, 2014
42. ## algebra

7x-8y=1 5x+37=y sub the second equation into the first: 7x - 8(5x+37) = 1 expand, simplify and solve

asked by gabe on April 24, 2007
43. ## algebra 1

Solve inequaity: -2x/7 -8>-9 Please need help, cant figure this one out,thank you kindly

asked by Myra on May 19, 2014
44. ## Trig

Solve the following trig equation 2cos(x-π/6)=1

asked by Matt on January 31, 2012
45. ## MS.SUE PLZ HELP!!!

For Questions 1-5, solve the equation... 1. -9x -5 = -95 a:17 b:11 c:10*** d:-10 2. x/4 -5 = -8 a:-27 b:-12 *** c:-7 d:12 3. d/3+10 = 7 a:51 b:20 c:0 d:-9 *** 4. 3(4-2x)= -2x a:-1 b:1 c:2 d:3*** 5. 2.9n +1.7=3.5 +2.3n a:3 *** b:-3 c:.3 d:1 Thank you for

asked by *UNKNOWN* on January 19, 2018
46. ## Algebra, explain how to please

Can someone explain to me how to solve -14=2/5(9-2b) It would be greatly appreciated thank you

asked by June on October 17, 2010
47. ## Algebra

How would I solve -32=8/7(3w-1) I have no clue.. ._. These problems stress me out

asked by June on October 17, 2010
48. ## math

Use the quadratic formula to solve the equation -x^2 + 7x = 8

asked by Samantha on January 24, 2018
49. ## algebra

Solve In 4+in(3x)=2 round to the nearest hundredth

asked by Samantha on January 24, 2018
50. ## Pre-Calculus

How do I solve the equation: 3 = 2.1 sin[(pi/6)t - 5pi/6] + 3.2

asked by Brian on February 19, 2017
51. ## Math

Solve the inequality for u. 25>u+3 Simplify your answer as much as possible.

asked by Barr on January 23, 2019
52. ## math

how can you solve this problem ? here X=Y plz help me fast

asked by alex on April 15, 2014
53. ## Algebra

In the graphing problem 3y=2x-9 m=? b=? What do m and b stand for? How do I solve?

asked by Susan on February 24, 2011
54. ## Maths

27p^3-1/216-9/2p^2+1/4p solve the problem

asked by K.Lohith kumar s/o K.Vasantha reddy on June 8, 2019
55. ## math question

How do i solve this? If it helps i think its B. from how i did it but i don't think i worked it out right X/4 + 1= -6 A.2 B.-4 C.-22 D.-28

asked by matt on May 25, 2014
56. ## Intermediate algebra

How to solve the formula (I=prt for t) for the specified variable

asked by Anonymous on September 9, 2015
57. ## c0llege math

solve 2-x=11(x-1) would the correct answer be x=___9 11

asked by Lourane on June 8, 2012
58. ## maths

Please I need help..how can I solve this guadratic equation?? 520 - 5t^2 = 0

asked by Shane on May 24, 2014
59. ## Check my precalc

what is the f inverse of f(x)= ln(x-3) I got y= e^x - 4 Solve 8 times 10^(2x-7)=3 I do not know how to do this. Do i get 8 and 10 with the same base? How? Thanks!

asked by Rebekah on November 18, 2012
60. ## math

mass = 20 g volume = 20 ml density = ? how do you solve?

asked by jayson on November 2, 2011
61. ## Math

Solve the equation by completing the square. 2x^2 + 9x + 1 = 0

asked by Kim on June 6, 2013
62. ## Trig

Solve 2cos sq x = 1 using the unit circle.

asked by don on November 2, 2011
63. ## math

how can i solve this problem? find value of x and y x + y = 6 4xy = 35

asked by zalk on June 27, 2011
64. ## math

Solve the equation. -6p - 21 = 3p - 12 A. 1 B. 3 C. –3 D. –1 im sure its D but I wanna make sure am I right?

asked by LovelyCaity on October 2, 2014
65. ## algebra

explain how you solve 11x=3y=12 using 3x=9 as subsitution

asked by Alicia on February 14, 2013
66. ## Math.

Solve the linear equation. 14x−1/2(4x+6)=3(x−4)−18

asked by April Martinez. on December 12, 2016
67. ## childcare

how will a authoritarian and a authoritative solve a problem in they own way?

asked by Dionn on July 18, 2010
68. ## algebra

To solve ax = b for x multiply both sides of the equation by?

asked by emily on February 29, 2012
69. ## calculas

Please help don't understand how to solve it. 3xy-6x+2y^2 dx/dt=-6 x=2 y=-3 thank you

asked by Barry on June 28, 2016
70. ## math

simplify by combining like terms. then solve. 8m+3m=55 x+2x=30

asked by stephanie on August 30, 2011
71. ## precalculus

how to solve; Xsq + ysq-4x=0 x^2 -4x + y^2 =0 x^2 -4x +4 + y^2 =4 (x-2)^2 + (y+0)^2=4 look like a circle to me.

asked by yvonne on May 17, 2007
72. ## Math

Simplify this expression. -12÷3•(-8+(-4^2)-6)+2. I'm confused on how to solve this. Thank you for the help.

asked by josie on September 9, 2015
73. ## polynomial

can someone solve this one aswell? ax + 2ay + bx + 2by a(x + 2y) + b(x+2y) = (x+2y)(a+b)

asked by mike on May 15, 2007
74. ## math

solve the equation by completing the square: x^2-9x-2=0

asked by princess on January 4, 2009
75. ## Algebra

(6x−7) (3x-5) (5x+78) ------ + ------- = ------- 4 7 28 How do you solve for the answer? Explain each step.

asked by Cc on September 3, 2015
76. ## college algebra

Solve the inequality algebraically 11x-3¡Ý-4x^2

asked by Heather on November 20, 2012
77. ## ALGEBRAIC METHOD

HOW CAN I SOLVE THE INEQUALITY GRAPHICALLY 3X^2 + 10X - 8 > 0

asked by JACK on November 21, 2012
78. ## Math

Solve 2 - 5/x^2 - x - 6 = x + 3/x + 2 . Identify all non-permissible values.

asked by Emily on January 1, 2016
79. ## Algebra

How do I solve for the roots of this quadratic equation: 3x^2-7x ---------=3 2

asked by Karli on October 30, 2013
80. ## precalculus

solve for the domain, interval notation f(x)=(x+8)/(x^2 -49)

asked by barney on January 28, 2019
81. ## Math

Solve for the unknown quantity in each proportion

asked by Johnny on January 12, 2018
82. ## geometry

how do you solve m

asked by selena on July 28, 2010
83. ## Algebra

How would you solve x=2uv _________ g in terms of v?

asked by Anonymous on January 6, 2009
84. ## math

explain in words how to solve 39 + five squared - 96 * 7 / (9 - 4)

asked by kim on October 18, 2010
85. ## Algebra

Solve 3x^2+19x-14=0 using the quadratic formula

asked by Bernadine on July 28, 2008
86. ## Mathematics

Solve for x: (385)^2 - x^2 = (760.35)^2 - (637.4 - x)^2

asked by Grant on April 29, 2015
87. ## dy/dx

Ln (2x^2-3x)^4 how to solve it. I did the steps but none of my answers are the choices

asked by Anonymous on June 28, 2011
88. ## Math

-(-(-)(-)(-10x))=-5 solve for x A. X=.5 B. X=.7 repeating C. X=-.5 D. X=1 Please help i am so confused.

asked by Anonymous on October 5, 2016
89. ## Algebra

Solve and graph on a number line: -3/2x + 4/ > 6

asked by Doug on September 7, 2015
90. ## algebra

-6q^2 -40q - 50 how do you solve this i am factoring and having problems

asked by joyce on July 23, 2010
91. ## Algebra

solve the equation y=20x+27500

asked by Bernadine on July 25, 2008
92. ## Math

what is the unit rate of 5 divided 12 1/2 and how do you solve it ?

asked by Nick on October 29, 2013
93. ## Math C30

using unit circle solve: 2cos sq x =1

asked by don on November 1, 2011
94. ## math

use A LG O R I T H M S methood to solve 838+627

asked by barbara on June 15, 2009
95. ## Math

How do I solve this equivalent equation? 12b

asked by Tyler on April 9, 2008
96. ## math

please help to solve tie exponential equation for x: 5^x=8

asked by lisa on November 7, 2013
97. ## algebra 1

how do you solve linear programming questions?

asked by quantez on April 10, 2008
98. ## algebra 1 question

Solve. 3/2 x - 4 = 16 x = 20 x = 13 1/3 x = 15 1/3 30 i got x = 16 and in decimal form 13.333 and even others! I'm going for 13 1/3 or 15 1/3. Help?

asked by SkatingDJ on September 28, 2014
99. ## algebra

Help me solve (-9,8) and perpendicular to the line whose equation is y=5/6x+7/6

asked by Rita on June 27, 2019
100. ## Chemistry

The mass % of H in methane (CH4) is ? How would i solve this?

asked by Amy~ on August 30, 2010