# 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 376
1. ## algebra

How do you solve the quadratic formula 9 over 8 - 2 =5 over x^2

asked by Dani on April 23, 2010
2. ## Algebra

How do you solve and graph these equations? y = 4x + 5 x - 2y = 4

asked by Liz on April 24, 2010
3. ## Algebra

solve and graph each function: 2x = 3y y = 2x + 4

asked by Liz on April 24, 2010
4. ## Math

solve the equations algebraically x^2 + y^2 = 25 3y - 4x = 0

asked by Camile on April 26, 2011
5. ## math 4 th grader

16x7 help solve problem

asked by totie on March 10, 2016
6. ## pre-calculus

Solve this Function: (3x-7)^2 (x^2-9x+18) ---------------------- x (x^2-12x+40) (x^16)

asked by Treema on April 26, 2010
7. ## math

solve the problem 456 + 65.

asked by Melinda on September 11, 2012
8. ## Math

solve using the quadratic formula. 3x^2/4 - 1x/4 - 1/2 = 0

asked by Dani on April 27, 2010
9. ## Math

Solve. 25x^4-15x^2+2=0

asked by Mary on April 24, 2011
10. ## Math

Solve: 3/(9x-6)=5/(7x+1) I have the answer of 11/8 it is probably wrong.

asked by shawn on October 12, 2008
11. ## Maths

solve 3n^2-5n+4/4n^2+7n-1 as n approaches infinity

asked by Sodiq on May 26, 2017
12. ## math

Solve the equation for the value of , where . a) Pass b) c) d) e) 7:

asked by carolyn on March 29, 2012
13. ## algebra

solve and give two answers X^2=44

asked by mike on January 5, 2011
14. ## Math

x/4 + 1 = -6 I'm not sure the process to solve the equation, could I have help?

asked by Sara on May 26, 2017
15. ## Math

How to solve the simultaneous equations 3x + y = 17 and y = x + 1 ?

asked by Katie on December 1, 2010
16. ## maths

solve Z^5 - 1 =0 where Z is a complex number

asked by MT on July 23, 2009
17. ## math help

Solve for x and y simultaneously x-3 2y=0 2y^2 3x^2 4xy=9

asked by vest on June 3, 2015
18. ## Algebra 2

Is this how you solve t(t+1)(t+2)=0, x^3+4x=4x^2, and 3r^2=4r-1? t(t+1)(t+2)=0 t=0 or t= -1 or t=2 {0, -1, -2} x^3+4x=4x^2 x^3+4x-4x^2=0 x(x^2+4-4x)=0 x(x^2-4x+4)=0 x(x-2)(x-2)=0 x=0 or x=2 {0,2(double root)} 3r^2=4r-1 3r^2-4r+1=0 r^2-4r+3=0 (r-3)(r-1)=0

asked by Anonymous on September 29, 2010
19. ## college math 209

use the quadratic formula to solve for x, 3x^2 + x -8=0

asked by Anonymous on January 16, 2011
20. ## college algebra

can someone check my answer for me please! 5x+6y=18 solve for y 6y=18-5 y=3-5/6x

asked by Alicia on November 16, 2007
21. ## Trig

Solve for X: 5sinx+2cos2x-3=0

asked by = on April 26, 2010
22. ## Math

Solve the following equation: 3/11x=-15

asked by Renee on March 29, 2012
23. ## college math 209

solve for u, where u is a real number ãu - 18 = 2

asked by Anonymous on January 15, 2011
24. ## Formula help

Let f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15). How do I solve this problem?

asked by David on October 12, 2008
25. ## Math

c/4-5=4 Pleaze help solve this Im really unsure.

asked by LOVE on March 11, 2016
26. ## Algebra

Use Gauss-Jordan to solve 3x + 2y = -4 4x – 2y = -10

asked by Will on April 25, 2011
27. ## Algebra

Solve the following equation. -3 = z + 4 A. z=1 *My answer* B. z=-1 C. z=-7 D. z=7

asked by Lollie on October 8, 2018
28. ## math

solve using the multiplication principle. -1/2x=-3/4

asked by DD on July 21, 2009
29. ## math equation

-3x

asked by Lavern on December 3, 2011
30. ## college math 209

solve the equation (x+4)^2=2x^+19x+46

asked by Anonymous on January 16, 2011
31. ## Finite Math

Solve the matrix equation AX =B for X using A=[2-3] [1 5] B=[4 ] [2 ]

asked by Mike on July 23, 2009
32. ## math

solve 9x

asked by es on January 2, 2013
33. ## Math

4x+3y=5 x-3y=5 solve by linear equations

asked by LaSalle on March 17, 2009
34. ## physics

manipulate the following equation to solve for t: s=1/2a t^2.

asked by Heather on January 26, 2009
35. ## math

Solve this.. ◻ ➕ ◻ ➕ ◻=30 Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15)

asked by sharon on March 4, 2015
36. ## MATH - Log

Solve for X in (Log X)Â²-6Log X + 9=0 3 3 Help please

asked by Ulasi on March 30, 2018
37. ## algebra

How do i solve these kind of problems? -ã((7c)^2)

asked by Jackster on February 28, 2011
38. ## math

solve: (2sin x-1) cos x=0

asked by ashley on January 25, 2009
39. ## math

Solve the equation 15.3 + 15 + 15.4 + 15.7 + x /5 = 15.4 thankyou

asked by amanda on July 18, 2010
40. ## Math

If f (x)=x+2 , g(x)=-4x+3, and h(x)=x^2-2x+1, find each value. 1. (f x g x h) (3) 2. (h divided by fg) (-6) 3. [ g o ( h o f)] (-4) If f(x)=5x , h(x)=x^2+6x+8 , solve f[h(a+4)]

asked by Stacey on January 18, 2015
41. ## college calculus

how do i solve sin(x)+2cos(2x)=0

asked by Anonymous on February 29, 2012
42. ## Precal

solve for x 7^x/2=5^1-x what i have so far is: (x/2)ln7=(1-x)ln5 im not sure where to go from there

asked by Jessica on December 7, 2017
43. ## Algebra

f(x)=x^2+x-12 g(x)=x-3 Solve (f/g)(x) and state the domain

asked by Amy on January 18, 2015
44. ## Math

Solve the equation: 125^r=5

asked by Laura on November 14, 2012
45. ## Math

Need Help Please Solve the linear equation 2x/5-x/3=3

asked by Roxanne on February 13, 2011
46. ## Algebra 2

Can someone please help me solve this rational expression?

asked by Tommy on September 12, 2015
47. ## math

how do you solve this can you do this with the steps do I an understand them,please. (x-9)^2=81

asked by Anonymousab on June 15, 2013
48. ## math

Solve this.. ◻ ➕ ◻ ➕ ◻=30 Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15)

asked by sai on March 4, 2015
49. ## Algebra

How do I solve and the answer for z divided by 3/4=4 1/4?

asked by Angelena on February 11, 2014
50. ## algebra

solve by graph 51 less than or equal to 3 - 6y

asked by su on February 11, 2014
51. ## Algebra 2

Solve for a: Y= a+b/over/n make sense? Y= a+b --- n

asked by Catilyn on February 7, 2013
52. ## math logs

solve 3^(2x+1) = 9^(2x-1) using base 3 logs

asked by Sejul on November 12, 2011
53. ## Math

f(x)= -x+6 {-1,1} I know how to solve this but how do I replace -1 (the given domain) to -x? Would it be -1+6 or 1+6?

asked by Brailee on December 5, 2012
54. ## math

when you put something in parenthesis like C(25,8) what does that mean or how do you solve it?

asked by David on December 15, 2010
55. ## math

solve the ff indical equation: 2^(2x+8)-32^(2x+1)=0 2.4^x=0.59

asked by benhur on February 10, 2019
56. ## Calculus

Solve using chain rule y=(3x^3+1)(-4x^2-3)^4 So far, I have: y'=(3x^3+1)*4(-4x^2-3)^3*(-8x)+(-4x^2-3)^4*(9x^2)

asked by Mike on December 5, 2017
57. ## algebra

Solve the equation 3y+20=3+2y answers are -1/17, 7 2/3, 23 -17

asked by toby on February 22, 2014
58. ## Math

Please help how to solve this problem and thank you in advance. x2 + 9x +14 = 0=

asked by Mandy on December 10, 2011
59. ## math

solve the equation: p^2+6=127

asked by keke on January 1, 2009
60. ## Algerbra

How to solve the compound inequalities of. -1< 3+2x-3 or 5x-1>19

asked by Mica on March 17, 2014
61. ## math

how to solve for 3loga(2x+1)-2loga(2x-1)

asked by Caity on December 15, 2017
62. ## Trigonometry

Solve for the ambiguous triangle. 1. Given: A=45°; a=3; b=5 2. A=25°; a=3; b=6

asked by Jezrell on November 19, 2012
63. ## Math

Solve the equation 40^2 + 4a = 0 What I did was 4a (10a + 1) = 0 then I'm not sure what to do next...

asked by Linda on November 3, 2011
64. ## TRIGONOMETRY ASAP PLEASE :3

Solve for the ambiguous triangle. 1. Given: A=45°; a=3; b=5 2. A=25°; a=3; b=6

asked by JEZRELL on November 19, 2012
65. ## maths

solve the simultaneous equation 1/y + 1/x =5 .......(i ) 1/x - 1/y =1 ........(i i )

asked by somay on April 25, 2016
66. ## Geometry

Please help me solve this equation: AB= 4.5cm

asked by Maray on September 1, 2010
67. ## Inverse functions

Solve for y to determine the inverse y=2-(1/2x)

asked by Nada on July 23, 2010
68. ## Maath

What does it mean to solve each equation graphically? 5x+7=32

asked by Alexia on September 1, 2010
69. ## math

keep trying to solve this one but canceling out x. i know x=-2 but i'm not quite sure how to get there in steps? 5^(2+3)-5^(x+2)=4 please help!

asked by Hared on January 4, 2009
70. ## math, solving Oblique Δ

can you help me to solve each triangle described below using ΔABC : 1)a = 10, A = 16°, B = 49° 2)a = 8, b = 7, A = 88°

asked by josh on January 5, 2015
71. ## math

Solve the quadratic equation x2=25/36.

asked by logan on January 29, 2019
72. ## Math.

How Do You Solve 18 m=8? I Don't Even Know Where To Start.

asked by Cheyanne on October 18, 2010
73. ## algebra

Could you help in the steps to this problem 5/2x + 1/4x = 5/4 + x solve

asked by To Mrs. Sue on September 12, 2009
74. ## Math

how do you solve this, its about rational expressions ?? 4 /X^2 – 4x+1 + 2/ x^2 -1

asked by Mike on July 30, 2015
75. ## mathematical induction

solve this using the mathematical induction : 1/1(3)+1/3(5)+1/5(7)+......+1/(2n-1)(2n+1)=n/(2n+1)

asked by aya on November 2, 2011
76. ## algebra 3

how would you solve for this? and what is the answer? 48p^3+2p^5-p^7

asked by nina on February 9, 2013
77. ## Algebra 2

2x(x+2)(x^2 - 2x + 4) set these factors to zero and solve. I would really appreciate it.

asked by Peter on March 16, 2009
78. ## Math/Precal

how do i solve log(8y-7)/logy

asked by Maxx on April 25, 2016
79. ## math please help

Solve. 3 ​|4x−3​|−3=8 I keep getting the wrong answer please help me

asked by Madison on October 6, 2016
80. ## math

I am confused on this problem. k/5 + 3/20 < 3/10 I am not sure how to solve.

asked by rosalind on November 2, 2011
81. ## Algebra 1 Question

How would you solve 50 + 9x - 19x = -9 (X= ) I'm just having trouble doing it. Thank you. :)

asked by Jessie on January 4, 2009
82. ## Math/precal

How do i solve y=7b^x to find the y and x intercept?

asked by Carl on April 25, 2016
83. ## calc

lnx = x^3 + 1 i know x=1 but can you solve this algebraically?

asked by tom on December 18, 2017
84. ## Math

Solve for y. 12y+11=-32y

asked by anonymous on December 15, 2010
85. ## clark

Why might you use the distributive property to solve 4(78)

asked by Jayden on September 8, 2009
86. ## algebra 1

how to simplify and solve 2/5(20x+5)-1/2(8-4x)=38

asked by kate on September 5, 2010
87. ## math

Solve for t: √(t-108) - √(t+186) = 66

asked by Sara on July 9, 2010
88. ## math

solve for x and y , the simultaneous equations 4^x+3 = 32(2^x+y) and 9^x + 3^y = 10

asked by Deen on April 10, 2016
89. ## math

Solve for t: √(t-108) - √(t+186) = 66

asked by Sara on July 9, 2010
90. ## math

Solve for t: √(t-108) - √(t+186) = 66

asked by Sara on July 9, 2010
91. ## calculus

Solve for t: √(t-108) - √(t+186) = 66

asked by Sara on July 9, 2010
92. ## Calculus

Solve for the function y. dy/dx = xe^y, when y(1)=0 I got as far as: e^-y dy = x dx But then how do you continue from there?

asked by Kyle on December 10, 2008
93. ## mATH

solve using multiplication principle. -2/7x=6/35

asked by JESSICA on December 10, 2010
94. ## Algebra

how to solve algebra equation √(5x^2 )+7x+2-√(4x^2+7x+18) =x-4

asked by Tuaha on April 14, 2014
95. ## Calc 2

Solve the following separable equation y'=e^2x/4y^3

asked by Scott on July 9, 2010
96. ## math

solve the equation Ig(x+14)-Ig(x-2)=2Ig5

asked by carolina on April 10, 2016
97. ## maths

solve forx :(x-2)^2+3x2=(x+3)^2

asked by lebogang on September 16, 2015
98. ## algebra

9x^2-43x-10=0 solve by factoring

asked by a on October 4, 2009
99. ## Math

6% of what number is 10 1/2? Who would you solve this question?

asked by Anna on January 21, 2015
100. ## algebra

solve by subsitution 6x + 5y = 27 x = 17 -8y my answer was (3,-7)

asked by Bob on July 8, 2010