# 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 374
1. ## math

solve for sine theta of 3.14/3

asked by jb on March 21, 2012
2. ## math

how would you solve.... 15x + 50 + x to the second power....

asked by heather on April 5, 2011
3. ## math

Solve the following equations a) 6e^-0.00012x b) 2e^x/3 - 9 = 0 thank you very much

asked by sunshine on June 26, 2009
4. ## Pre-algebra

how would I solve this kind of problem 7/9-4/9=y/3?

asked by Unknown on August 22, 2013
5. ## Algebra Help

Could someone place explain how to solve the following - 4t^2/5=t/5+3/10 5t/6-t/2=1 Thanks

asked by lexy on December 17, 2011
6. ## Algebra 1

HOW DO U SOLVE TWO STEP EQUATIONS????

asked by kylee on October 1, 2007
7. ## Algebra 2

Solve by completing the square. 1.x^2+x+c=0 2. x^2+bx+c=0

asked by Dolly on January 25, 2014
8. ## Math

Solve the following 2w^3 4c^3t^2 _____ - ________ 9c^3d^3 3b^2d^2

9. ## dividing monomials

How would you solve this and could you give more examples? (-e)^6f^1/e^6f^4

asked by mb on November 6, 2008
10. ## algebra

solve this two sided inequality 7

asked by pinki on October 25, 2010
11. ## math

solve algerbraically for x log27(2x-1)=4/3 I did 2x-1=27(4/3) 2x-1=3^4 2x=82 I got x=41 does this look right? thank you

asked by sara on March 9, 2019
12. ## algebra

how would you solve the follwing equation? (2c/c-4)-2=(4/c+5)

asked by lily on May 17, 2010
13. ## Solve the following polynomial equati

Solve the following polynomial equation for x : x^2 - 2( a+2)x + (a + 1)(a + 3).

asked by Bob on April 25, 2013
14. ## algebra

use the zero product property to solve (x-2)(x+9)=0

asked by Anonymous on May 17, 2010
15. ## math

solve the following exponential expression. e^x+e^-x=6

asked by Austin on January 4, 2013
16. ## maths

asked by Prince on September 7, 2016
17. ## Math

asked by Kelley on April 25, 2013
18. ## pre-calculus

solve the equation (5/2)^2=(125/8) x=

19. ## pre-calculus

solve the equation 5^5x+1=125

20. ## Math

solve (v+6)^2 -40=0, where v is a real number.

asked by Anonymous on August 23, 2017
21. ## math

asked by ann on October 6, 2012
22. ## Algebra 2

Solve by completing the square: x^2+9x+6=0

asked by Nic on November 4, 2008
23. ## Algebra II

Solve for x 5.62e^3x = 188

asked by Joy on November 21, 2011
24. ## Math

How do I solve b+12

asked by Morgan on August 20, 2013
25. ## Math

3. Solve the equation using substitution. x + y = 8 y = 3x

asked by anonymous on November 22, 2018
26. ## Maths

Solve the indifinite integral: f(5x+3)7 dx

asked by plsHelp on August 20, 2013
27. ## Algebra 2

Solve by completing the square: x^2+9x+6=0

asked by Kiley on November 5, 2008
28. ## algebra

solve by factoring b squared-7b-18=0

asked by Anonymous on May 17, 2010
29. ## algebra 1

in the equation thingy for y=mx+b how do you solve for b?

asked by Tyquana on December 12, 2007
30. ## math

Solve the following equations. 1. 3n = 6 2. 2s = 10 3. 6x = 24 4. 5y = 20 5. 10t = 30 6. 7n = 35

asked by Anonymous on January 20, 2013
31. ## algebra

asked by ann on December 2, 2011
32. ## algebra

solve for x 3x^2-12x+3=0 is the answer 1/3, 3

asked by Mary on May 1, 2011

Solve 2tan^2x + 1 = 0 Interval : [0, 2 pi]

asked by - on November 15, 2009
34. ## calculus

solve the initial value problem dy/dx = y+2 when y(0)=2

asked by Anonymous on April 7, 2019
35. ## math

0= -4.9t^2+24t+3000 solve for t

asked by mike on January 20, 2013

solve 3 gal 3 qt = _____ qt

asked by Connie on April 19, 2010
37. ## Calculus

How would you solve this differential equation? dy/dx=1/2x+y-1

asked by Joe Schmo on May 1, 2011
38. ## physics

can someone else me solve this equation? E=mgh

asked by sal on September 12, 2016
39. ## precal

solve for x: 4sin^2x= 4cosx+1

asked by Anonymous on May 26, 2015
40. ## maths

Solve 5x + 3y = 4 3x + 4y = 9 Just a bit confused Please help

asked by Unknown on January 10, 2014
41. ## algebra 1

k + m divided by negative 7 = n solve for k

asked by kamryn on October 15, 2015
42. ## chemistry

V1= 38.8 n1= 1.60*10^-3 V2= 49.9 n2= ? How do we solve for n2 using avogadro's law?

asked by Luis on October 31, 2014
43. ## Math

How would you solve these compound inequalities? 1. -1

asked by Kimmy on September 29, 2013
44. ## Math

How do I solve a slope equation for Y? Example: 2/3y = - 1/5x

asked by Britni on May 2, 2011
45. ## PreCalc

How do i solve for the variable 3x= sqrt5x+1

asked by LT on December 12, 2007
46. ## algebra

33 1/3 percent of n is 15.9 how do i solve for n using proporitions

asked by ant on October 2, 2008
47. ## Science--Chemistry

How do you solve the reaction: Li + Mg2+ = ?

asked by Holly on October 2, 2008
48. ## Math

Solve for a and b. 2a-ai-5b=0, a-2b-bi=0. Where i is complex number.

asked by Brian on September 28, 2013
49. ## Help with math

-4x > 1/11 Solve using multiplication principle

asked by Clenisford J on January 21, 2012
50. ## maths

solve for x if 2cos(x-30)=1, £(-90;270)

asked by Mahlako on May 25, 2015
51. ## 12th grade math an

how do u solve this in analysis and funtion 7(b-6)=-12+b

asked by tierra on November 15, 2009
52. ## Hard math

Solve for x using the laws of logarithms. ln(ln x)= 1

asked by Christina on October 5, 2011
53. ## Math

Solve and graph the following inequality: -m/5+8>10

54. ## maths

solve the equation 35x-2x^2=0?

asked by POPPY on April 5, 2019
55. ## Algebra 1- 8th Grade

How do you solve these types of problems? 1) 3 - n = 32 3m - 8n - 6 = 0 2) 2p - q = 8 1/3p + 1/4q = 3

asked by Joy on February 23, 2009
56. ## Precalc

There's f(x) = (2x+3)/(x+4) and g(x) = (4x-3)/(2-x) Solve for x in f(g(x)) I tried this but I could not end up with the answer being x

asked by Anonymous on January 6, 2011
57. ## college algebra

5x/6- x/3 =1/6 solve for x, the answer I get is x=1/3 is this correct or does x= 3

asked by John on April 23, 2010
58. ## pre algebra

how do you solve this problem r²-11r+24=

asked by jan on April 23, 2010
59. ## Math help

6y³(2x - 5y² + 8) help solve

asked by Katie A on October 7, 2011
60. ## Maths

1.Solve the simultaneous equations: 5x + 4y = 13 3x + 8y = 5

asked by Shivi on January 12, 2011
61. ## math

Solve and check each equation. 5 - y/2 = 3

asked by peter on February 27, 2013
62. ## math (trig)

how do you solve for x? 2cos^24x-1=0

asked by Crystal on February 23, 2009
63. ## college algebra

[x+2]=5 solve for x I have an answer of (3,7) is this correct or could this be (3, -7)

asked by Jake on April 23, 2010
64. ## Math

Given: sec θ = –6.4, 0˚  θ  360˚ , solve for θ.

asked by dave on January 20, 2013
65. ## Math

3y=-15 Solve for y=mx+b form y=-5?? How will I put that in y=mx+b

asked by M on November 5, 2014

67. ## algebra 2

How would you solve 3x^2+8x-91=0 and 9r^2+4r+2=0 using the quadratic formula?

asked by Krystal on September 23, 2013
68. ## precal

solve for x: 4sin^2x= 4cosx+1

asked by Anonymous on May 26, 2015
69. ## Math

solve for x in the interval [0,2π): 3csc^2(5x)=-4

asked by Annie on February 28, 2013
70. ## Algebra

how would you solve (3_/8)(2_/6) using multiply and simplifying.

asked by Blake on May 15, 2016
71. ## algebra

solve (4x^2+2x-4) - (x^2-5x-4)= I came up with 3x^2+7 is my answer correct?

asked by Mary on April 29, 2011
72. ## Pre-Calculus

Solve sin (pi/4(x-6))=0.5, 0

asked by Hanu on January 11, 2014
73. ## algebra

d=55t solve for t: help me to understand how to do this

asked by tara on April 21, 2010
74. ## Math

Solve. x/5x+10+x-3/x+2=7/5 I multiplied both sides by 5(x+2) and came up with -17.

asked by Brandon on November 30, 2007
75. ## precal

solve for x: 4sin^2x= 4cosx+1

asked by Anonymous on May 26, 2015
76. ## Math

how do I start to solve this 3y^2+17y+20=

asked by patti on October 7, 2008
77. ## Math

asked by Nicole on November 28, 2007
78. ## 150 math

solve the equation for m 81m^4+54=70

asked by eddie on January 20, 2013
79. ## maths

Solve for x in 50x^(3/2) = 32x^(-1/2)?

asked by BIZHATOCOTO on April 8, 2019
80. ## Algebra

asked by Miki on August 22, 2012
81. ## maths

solve using first principle of differenciation 1)y=e^3x 2)y=1/3(x^2)^1/2

asked by henry3 on May 16, 2016
82. ## Math - Help!!

7x over 8 (fraction = 21 I don't know how to solve this.

asked by Katalina on January 8, 2014
83. ## math

7/12m + 2 is less but equal to 16 SOLVE!!!

asked by Karen on January 10, 2011
84. ## Math

Solve: n+6≤ -4 Whats the answer>?

asked by Cheril on April 4, 2012
85. ## calculus

F''(x)=x^-3/2 f'(4)=1 f(0)=0 how do I solve this differential equation?

asked by Chynna on January 10, 2011
86. ## intermediate algebra

solve each formula for the specified variable, y-y^1 = m(x-x^1) for x

asked by Nicholas on August 28, 2012
87. ## Solve the inequality

Solve the inequality algebraically 8x-3 ≥ -3x^2

asked by Alley on March 28, 2013
88. ## algebra

I do not understand how to solve this problem. 7 - 1/4 (j-8) =6

asked by johnnie on October 4, 2011
89. ## math

I cannot figure out how to solve this problem. 1/3 (x + 9) + 5 = x/3 + 8

asked by stephanie on October 4, 2011
90. ## Math Question

could some help me with this problem Solve and steps -0.5x < -15

asked by DJ on January 21, 2012
91. ## Math

asked by Jose on December 1, 2011
92. ## math

how do you solve t^2+36t=0 Thank you in advance

asked by barbHELP!!!! on October 7, 2010
93. ## math

how to solve sales tax

asked by nathan on May 5, 2011
94. ## Math

How to solve X^(5-log x^3)=100

asked by chacho on January 23, 2013
95. ## math

solve for x 32^x+5=16^2x+1 1/2log(x+2)=2 sqrt(2x-3)-2=5

asked by ashley on April 12, 2010
96. ## Chemistry 12

The value of Kb for HPO₄²- is? A. 2.2*10^-13 B. 6.2*10^-8 C. 1.6*10^-7 D. 4.5*10^-2 I don't get how to solve this.

asked by Shreya on January 25, 2013
97. ## Algebra

How do you solve for x: 2x is greater than or equal to 3x?

asked by Anonymous on December 29, 2011
98. ## math

solve d^3y/dx^3+4d^2y/dx^2+4dy/dx=exp(-2x)

asked by assma on February 20, 2015
99. ## algebra

solve log2x-6^256=4

asked by ash on April 24, 2017
100. ## math

solve d^3y/dx^3-3d^2y/dx^2+2dy/dx=exp(2x)

asked by assma on February 20, 2015