# 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 396
1. ## MATH

A is the midpoint of BC. BA=2x+5 and BC=5x-3. solve for x and find the length of BC

asked by BOB on January 16, 2011
2. ## math

x-3y=1 x2-2xy+9y2=17 solve simalteneously

asked by motlhalefi on January 16, 2011
3. ## Algebra 2

Solve each equation below for x. (Use logarithms.) 10^(2x^(2)-5x+11) = 10000 9^(2(x-1)) = √(27)

asked by Peter on February 19, 2012
4. ## Algebra

Solve the inequality and graph. 7-12 Is that correct?

asked by Emma on December 9, 2012
5. ## Algebra 2

s=prt solve for t Don't know where to start help!

asked by Becky-G on September 23, 2016
6. ## algebra

Solve the equation-5y-9=(y-1)answers are-1/2, -2 1/2, -2, -4/5thank you

asked by tina on February 24, 2014

How do you solve for x^2 + square root of 6 times x -3 is > or = to 0?

asked by Mike on October 2, 2010
8. ## Math

Order of operations Solve: 8_2_1_3_4=5

asked by melanie on October 2, 2010
9. ## Math

asked by Marcie <3s Jeffrey on January 12, 2011
10. ## Algebra 2

Solve the equation x-1= square root 3x+15

asked by Ashley on December 7, 2012
11. ## Algebra2

Solve the equation 3^5sqrt(x+2)^3+3=27 My answer is 30

asked by Steve on February 3, 2017
12. ## algebra

(2x^2-8x-42)/6x^2=(x^2-9)/x^2-3x How do you solve this problem? Please list the steps.. Thank You

asked by Shawn on January 27, 2010
13. ## math help

can u solve x and y simalteneously for me thanks in advance x-3+2y=0 2y^2+3x^2+4xy=9

asked by happy on March 30, 2015
14. ## algebra

Solve using the addition and multiplication principles. 8-8y-5y < 47

asked by Linda on September 7, 2009
15. ## calculus

In a problem where you have to solve the limit f(x) as x approaches x sub zero, what does x sub zero mean?

asked by Kaitlyn on August 8, 2011
16. ## MAth

Solve 0.9x-3.6=3 for x, round to two decimal places

asked by Anonymous on May 20, 2016

I can't solve this problem: 4x^3 + 5x^2 - 12 + 27/(x + 3) A. 4x^2 - 7x + 9 B. 4x^2 + 7x + 9 C. 4x^2 - 7x + 27 D. 4x^2 + 7x + 27 I can only get 4x^2 - 7x + 21 but obviously that isn't an answer..

asked by Amy on February 18, 2015
18. ## algebra

Use the distributive property to help solve the equation. 8(w-4)=-32 w =

asked by Cassie on September 8, 2009
19. ## Algebra 2

solve the equation x^2 - 3x^2-22x+24=0 do you use a graph?

asked by Nancy on February 22, 2015
20. ## Calculus

Solve the inequalities a)6x3+5x2

asked by Zukii on January 13, 2011

how do i solve X2 +4X-60 (the 2 after the x is supposed to stand for squared.)

asked by arricka on September 7, 2010
22. ## maths

solve this equation. log (2x + 1) base 2 = -3

asked by Shane on May 8, 2013
23. ## math

asked by Andrea on April 13, 2018
24. ## Algebra

asked by brooke on January 28, 2010
25. ## math

(please help me to solve this question) solving equation (1+x)^2/3 + (1-x)^2/3 = 4(1-x²)^1/3 are, value of x is

asked by Nithin on September 13, 2014
26. ## Algebra 2

Solve the equation x^3 - 3x^2-22x+24=0 do you use a graph?

asked by Nancy on February 22, 2015
27. ## Pre-Calculus

Solve the equation over the interval [0,2π) 4csc^2+1 = 0

asked by Taylor on March 9, 2009
28. ## Algebra 1

Solve 8x-9

asked by esther on December 17, 2010
29. ## Math

P;ease help me with the steps to solve this ratio 34:20=2:?

asked by Rayne on September 7, 2014
30. ## Math

Explain how you can solve 40 * 16 breaking apart the numbers?

asked by Anonymous on October 15, 2018
31. ## Algebra

How do you know when to solve a quadratic equation with factoring?

asked by Bas on April 11, 2018
32. ## math

Solve for s and t if 16/(y-2)=4st. I don't remember how to get y by itself so if someone could tell me how do that I would appreciate it.

asked by Anonymous on September 8, 2009
33. ## Math

Solve the equaton by completing the square. 4x^2-8x-3=0

asked by Ashley on August 3, 2011

4 x^3 - 4x^2 - 11x + 6 = 0 Need to solve the equation algebraically

asked by sarabeth on September 13, 2010
35. ## math

solve for sinx=cos2x (between 0 and 2pi)

asked by rachel on September 1, 2011
36. ## math

asked by devon on May 16, 2012
37. ## Algebra 1

May I please get some help on how to solve this one step equation? 1/3x=12 All I need is for someone to walk me through it

38. ## Math

y - 5 / 3 = 1 Could someone help me solve this equation? I'm stuck and I need an explanation on how to get it, please and thank you. (:

asked by ShookySuga on December 7, 2018
39. ## Algebra

Solve the equation w=Cr^-2 for r. This is what I got so far.... w/C=r^-2 Then I think it's... ok so I don't really know. I want to put w/C=1/r^2 but the r is still not alone and I'm not sure where I'd take it from there. Please help.

asked by Anonymous on February 5, 2011
40. ## mathematical physics

Solve the initial value problem. d^2x/dt^2+2dx/dt-3x =0, x(2π) = 1, x(2π) = 13

asked by gourav on March 28, 2015
41. ## maths

solve 43x+67y=-24 67x43y=24

asked by devika on September 27, 2018
42. ## Math

Solve for unknown quantity in each proportion K/3 = 3/9 A 1 B 3 C 9 D 27

asked by Kyra on May 11, 2018
43. ## algebra

how to solve this?? 13y=10 x+Y+Z=39 16x=13z

asked by aldren on January 19, 2011
44. ## Maths

Solve the equation 3log3 x-log3 x=2?

asked by Pedlo on July 21, 2019
45. ## Algebra

Solve for B. b(to the 3rd power) = 1,331

asked by Seeeira on February 4, 2011
46. ## Algebra

Solve for B. b(to the 3rd power) = 1,331

asked by Seeeira on February 4, 2011
47. ## math

Solve this equation: -9h - 6 + 12h + 40 = 22. can u please help i'm lost here.

asked by me on February 5, 2010
48. ## Calculus

Solve the integral (x+3)/(x-1)^3 So far, I'm stuck. This is what I have thus far: x+3 = A(x-1)^3/(x-1) + B(x-1)^3/(x-1)^2 + C(x-1)^3/(x-1)^3 x+3 = A(x^2-2x+1) + B(x-1) + C x+3 = Ax^2 - 2Ax +Bx + A - B + C x+3 =Ax^2 + 1(B-2A)x + (A - B + C)

asked by Mike on September 22, 2018
49. ## calculus

Solve the functional equation y(t+2)- Sy(t+1) + 6y(t)=0 If y(0)=5 and y(1)=1 find y(2) and y(3) How?

asked by dema on July 24, 2019
50. ## math

solve using the multiplication principle. -3/7x=6/35 I really need help with this problem. Thanks

asked by cindy on November 12, 2010
51. ## math

Solve by factoring: 12 w(squared) = 28w +5

asked by Jane on February 12, 2012
52. ## SCHOOL

SOLVE USING ADDITION AND MULTIPLICATION PRINCIPLE 6X-7

asked by AMANDA on July 24, 2011
53. ## Hard math

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

asked by Sally on January 19, 2011
54. ## Math

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

55. ## math

I am solving a problem and have -cos(a)=-1/2. How do I solve for a?

asked by Lyndsay on February 28, 2015
56. ## math

I need help solving this problem please. Solve the equation. (x-2)(2x+1)=0

asked by meka on April 21, 2013
57. ## Algebra

r= -0.075t + 3.85 solve for t r=3.7 -0.075t + 3.85 < 3.7 -0.075t + 3.85 - 3.85 -0.185/-0.075 This is as far as I can get - now how do you solve for t?

asked by Shirley on February 6, 2011
58. ## algebra

Which properties did Carmen use to solve the following problem? 17 + (45 + 23) 17 + (23 + 45) (17 + 23) + 45 40 + 45 85

asked by garrett on November 17, 2011
59. ## math

solve for all real# sin2x(csc2x-2)=0

asked by Anonymous on February 8, 2010
60. ## maths

solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?

61. ## math

solve sin t= .6 on the interval 0

asked by Scott on November 28, 2011
62. ## maths

solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?

63. ## Algebra

Solve each of the following equations by first expanding the brackets. a) 4(5 - b) = 18 b) 2(1 - m) = 13 c) 5(3 - x) = 19

asked by student #1 on July 28, 2019
64. ## Math

Log8 4 + log16 2 x log 27 81= x solve for x

asked by John on February 11, 2012
65. ## Mathmatics

2a+6b-3(a+3b) raised to the power of 2 solve with steps

asked by Nipunika on December 12, 2012
66. ## algebra

how do you solve this compound inequality 5>-4x+4 or 9

asked by Sarah on January 22, 2010
67. ## math

i solved by factoring like this: 3x^2+5x-12=0 (3x+4)(x-3) -4 +3 x=-4 x=3 now i need to solve by the form x^2=k How do I do that?

asked by keith on February 7, 2011
68. ## Math

Solve integration using u substitution of (x+1)sqrt(2-x)dx

asked by Hannah on January 17, 2011
69. ## Solving an Equation in one variale

If x belongs Z, Solve the equation sq.rt(1) + sq.rt(2) + sq.rt(3) + .......... + sq.rt(x^) + sq.rt(x^+1) + sq.rt(x^2+2) = 5190

asked by Jerrie on April 21, 2013
70. ## maths

solve algebraically to 2 decimal places : 3(x-2) = x x 3

asked by Amy on February 8, 2010
71. ## Algebra

Use factoring to solve the equation: x^2+13x+36+0

asked by Blanca on April 23, 2009

I have no idea how to solve this problem. Can someone help me??? 3x+3y=-6(this is a negative 6) 7x+4y= 1

asked by lila on December 21, 2010
73. ## math

solve for y' in the function y=sec^3(2x)-3sec2x

asked by mica vega on July 14, 2015
74. ## Algebra

Solve for x. Round to the nearest hundredth. ln x = − 4/9 x =

asked by Tanya on May 3, 2013
75. ## math

Solve the trigonometric equation 3sinθ=1.2 for 0≤θ≤4π

asked by Pam on March 31, 2014
76. ## geometry

Solve for x, given that ABCD is an isosceles trapezoid, AC = 2x + 12, and BD = 4x - 30.

asked by Octaisha on January 16, 2012
77. ## Math

Solve the following equations for x: X = 2 + (1/x) , X = 3 + (1/x) How do I do this type of problem? Thanks

asked by Jon on February 6, 2011
78. ## Math

How do i solve 2x+y > -3? And how do i graph it. This is Linear inequalities.

asked by David on May 3, 2012
79. ## Calculus

How did I solve this? Find the change in y if x changes from 1 to 3. The equation is y=f(x)=2x^2+5

asked by Avalon on September 28, 2010
80. ## Algebra

Solve for x. Round to the nearest hundredth. ln(x) = -1.8 x =

asked by Tanya on May 3, 2013
81. ## Algebra

Solve the inequality : 6/-5 < -18 i know it's false but it as some answers like 1. G < -23, 2. G > -90, 3. G >90, 4. G

asked by melanie on December 10, 2018
82. ## Math

Solve integration using u substitution of (x+1)sqrt(2-x)dx

asked by Hannah on January 17, 2011
83. ## math

Solve the following equation. ( x^2 + 8x + 7 = 0 x = 1 (smaller value) x = 2 (larger value)

asked by latesha on December 17, 2011
84. ## Diff eq

y'(x)=sqrt2y(x)+7, y(4)=1 Solve the seperable diff eq

asked by Melissa on February 24, 2013
85. ## Equation solving

Perpendicular. To x-3y=2 and contains ( 2,4) 2). That is parallel to 2x+5y=4 I don't get how to solve and use y=Mx+b

asked by Jessica on January 23, 2014
86. ## Math

Solve the following for the indicated variable. V=Bh for h(volume of a prism)

asked by Aaron on October 3, 2012
87. ## Math

how do you solve an equation with letters on both sides example y+1/2=-1/3(x+1/2)

asked by Sam on November 3, 2008

5/2t - t = 3 + 3/2t I'm having a hard time to solve this problem >.

asked by Cassidy on August 26, 2013
89. ## Math241

How do I solve x^2+4y^3=-828 at pont (-6,-6) The slope=

asked by Richard on October 4, 2012
90. ## Algebra 2

solve the equation: x^2-x+2=0 is 1+9i/2 the correct answer?

asked by Kiley on November 3, 2008
91. ## geometry

I have a quadrilateral which is a rhombus and E is at the intersection and DE =2x+4 and DB=6X. How do I solve for x and DB?

asked by shaelyn on April 5, 2011
92. ## Algebra

Pytheorem Quadratic Help me solve this problem x^2(2x+6)(2x+4)

asked by Mari on August 11, 2014
93. ## algebra

Find the root (solve) of each equation. a)1/3 (2w-6)=-10 b)3a-7/4=4a+5/3 c)3k/2-k+3/3=8-k+2/4

asked by bev on October 27, 2009
94. ## Maths algebra

Solve: 66x^3+5280x^2-56847=0

asked by Rabin on August 6, 2017
95. ## algebra I

how do I solve for 16x^2+56x-120

asked by Julia on March 6, 2013
96. ## algebra 1

18t + 11v = w -13t solve for t

asked by kamryn on October 15, 2015
97. ## polynomials and polynomial functions

Solve the equation 3z3 − 300z = 0.

asked by Anonymous on August 11, 2014
98. ## High School Math

Solve the equation. -5=c/7 A. -7/5 B. Ã¢â‚¬â€œ12 C. -5/7 D. Ã¢â‚¬â€œ35 I got C but not sure how to do this

asked by Brian on October 3, 2012
99. ## Algebra

Solve the following proportion. 2/15 = 13/x A: 390 B: 1.73 C: 2.31 D: 97.5 *** Can someone explain why its 97.5??

asked by Lexi on November 1, 2016
100. ## Algebra 2

solve square root 2x-5 =7 the 2x -5 is under the sqaure

asked by Zach on March 11, 2015