# 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 597
1. ## equations

solve the equation 3y square-XY=0 equation(1) 2X-5Y=1 eqn (2)

asked by emma on November 21, 2011
2. ## Math- please help!!!

please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^2-2xy+3y^2)-(4x^2-xy-y^2)

asked by Anonymous on March 20, 2014
3. ## Math

Solve the quadratic equation using the quadratic formula, x^2-3x+2=0.

asked by Blessings on January 16, 2016
4. ## math

is there a shortcut to solve organized lists if so what is the shortcut?

asked by arti mallin on January 6, 2013
5. ## Math (algerba 1)

(4 X 10 to the -5th power) to the 2nd power. How would I solve this?

asked by Katea on March 13, 2013
6. ## Pre-Calc

Solve the following algebraically. log3(x) + log3(x-2) = 1 Are the solutions 3 and -1?

asked by Anonymous on April 19, 2016
7. ## Algebra

Solve by completing the square: x^2-6x+3=0 please take me step by step

asked by Lynn on December 13, 2011
8. ## Math

. What is the common multiple in the proportion below ?? X/12= 24/36 2 3 4•• 6 Solve the proportion 4/5= x/27 21.6 20•• 33.75 18

asked by Blue Eyes. on January 13, 2016
9. ## Math Correct Me!!

What is the common multiple in the proportion below ?? X/12= 24/36 2 3 4•• 6 Solve the proportion 4/5= x/27 21.6 20•• 33.75 18

asked by Blue Eyes.. on January 13, 2016
10. ## properties of operations

why don't i have to do any computing to solve 15 times 0 times (13+7)

asked by Anonymous on September 19, 2011
11. ## math/ algebra

solve the equation log (4x)= log5 + log(x-4)

asked by student on June 23, 2013
12. ## Algebra

F=9/5C+32 Solve for C if someone could explain in a step by step way that would be great!

asked by Linda on September 11, 2011
13. ## precalculus

solve log(2+x)-log(x-3)=log2 I know the answer is 8

asked by sarah on May 4, 2016
14. ## Geometry (check)

solve each equation: 1) x + 2x - 6 + 6 MY ANSWER: x-x + 2x-x +12 _______________ x=12 2) 3x + 9 + 5x =81 MY ANSWER: 3x-3x + 9x + 5x-3x = 81 9 + 2x = 81 9-9 + 2x = 81-9 2x = 72 2x/2 = 72/2 x=36 3) x - 2 = -4 + 7w I need help with this one

asked by Hazel on February 24, 2016
15. ## Geometry (check)

solve each equation: 1) x + 2x - 6 + 6 MY ANSWER: x-x + 2x-x +12 _______________ x=12 2) 3x + 9 + 5x =81 MY ANSWER: 3x-3x + 9x + 5x-3x = 81 9 + 2x = 81 9-9 + 2x = 81-9 2x = 72 2x/2 = 72/2 x=36 3) x - 2 = -4 + 7w I need help with this one

asked by Hazel on February 24, 2016
16. ## math

how do I solve the equation (y+6) divided by 3- (y-3) divided by2=2

asked by Kate on October 7, 2010
17. ## algebra

Solve for p. 3+|1+p|=123+|1+p|=12 A. p = 8 or p=−10p=−10 B. p = 14 or p=−16p=−16 C. p = 10 or p=−10p=−10 D. p = 8 or p=−8

asked by Christena on September 17, 2016
18. ## math

Solve a. log a = 3 b. log 1,000 =a c. loga = –2

asked by Michelle on November 4, 2013
19. ## Calculus

How do you solve the equation log(x+6)-log(2x+1)=log4

asked by I. on May 26, 2014
20. ## math

how to solve (4.8 x 10 to the 2nd power) divided by 2.4 x 10 to the 10 th power)

asked by Anonymous on October 12, 2011
21. ## Math

Write the sentence as a proportion. Then solve the proportion * d is to 4 as 32 is to 56

asked by Helen on October 1, 2013
22. ## math

solve. log 1/100 = log(10x+2)

asked by dionna on August 3, 2009
23. ## algebra

how to solve equations like SQRT(x-6)/SQRT(4-x) for their domain

asked by Shaq on October 2, 2011
24. ## math

sqrt(x) - sqrt (x-5) = 1 hellpp solve for x pleasee

asked by johnny on August 4, 2009
25. ## Math help

Solve .7x+9or equal to 18.75 I hope this is correct

asked by Katie A on September 30, 2011
26. ## algebra 1

-2/3z=-4/9 i tried to solve, but i keep on getting the wrong answer, and i do not understand what i am doing wrong. please help.

asked by zoey on October 4, 2009
27. ## Algebra

solve and answer in interval notation (x+2)(x-1)(x-10)>0 x+2=0 x-1=0 x-10=0 x=-2 x=1 x=10 answer: (0,-2)(1,0)(10,0)

asked by Bo on April 3, 2008
28. ## Math

Solve the equation. 10v/11+10= 8-7).The 10v is over the number 11.

asked by J.J. on June 1, 2015
29. ## solve the equation

Solve the equation log(x+49) - log x=1

asked by Alley on April 6, 2013
30. ## algebra

solve for, where u is a real number sqrt 9u - 10 = sqrt 5u + 16

asked by lisa on January 23, 2011
31. ## Math

Solve the polynomial inequality x^2+5x >or= -6 (-infinity, -3]u [-2, infinity) or [-3,-2]

asked by lt on March 3, 2009
32. ## Mathematics

s=a+b+c/2 solve for b the correct answer is b=2s-a-c I would like to know how this answer came up how do I find b

asked by Anonymous on September 14, 2011
33. ## Math

solve for g. 0=2,750,000g - 2,750,000

asked by John on April 24, 2010
34. ## math

use the percent proportion to solve for the unknown value: whole=48 percent= 25

asked by Anonymous on April 21, 2010
35. ## algebra

will someone tell me what the answer is to this problem? and how they got the answer? SO CONFUSED solve for x: y = mx + b

asked by j on September 25, 2010
36. ## math

how do i solve this? sin of 30 degrees - cos of 45 degrees

asked by kayla on December 12, 2008
37. ## Algebra

Solve the absolute value equation. I I will represent absolute value I 2-3x I = 11

asked by Anonymous on October 13, 2009
38. ## Math

9 exponent 0+64(3+5)exponent negative 2 Please help me solve this problem.

asked by Melea on October 13, 2011
39. ## Maths

Solve step by step 4sin^2x = 3cos^2x

asked by Caitlin on March 1, 2010
40. ## PreCal

Please Can Someone Help Me Solve For x Using Log Properties: log(base 3) x*(x-80)=4

asked by Maria on April 4, 2014
41. ## trig

How do I solve this? If cos x= 3/5, find the exact value of cos 2x

asked by Paul on December 1, 2008
42. ## Alegebra

i have 5 questions, i don't know how to solve these questions. 7= 2 +5(z-2) 15(s-3)=12s-43 2a-6=3(a-4) 2(b-3)+5=3(b-1) 6x +7 / 5 = x

asked by Amber on March 11, 2011
43. ## 8th pre algebra

solve for x 2x-7=13 subtract 7 to both sides divide by 2 both sides x=10..am i right?

asked by henry on October 17, 2016
44. ## Algebra/Permutation

How do I solve this problem. I try just 1 than just 4 nether were right, than I try 4/4r the Problem is 4Pr Thank you

asked by Mary Ann on May 21, 2014
45. ## Algebra

Solve for v. v+6/5=3/5v-7/3 Simplify your answer as much as possible. This answer cannot be a radical. Thanks

asked by Rachal on January 23, 2011
46. ## Algebra 1

How would you solve 5a^2 + 21a/2a^2 + 6a divided by a + 4/4a^2 divided by 5a^3 + 11a^2 + 2a/a + 3?

asked by Jay on May 27, 2015
47. ## Pre Calc

Solve 2 sin^2 x-3 sin x+1 =0, 0 less than or equal to x < 2pi

asked by Joanna on December 1, 2015
48. ## algebra 2

can anyone please help me solve this step by step by using the quadratic formula.. -4t^2-9t-3=0

asked by logan on January 29, 2008
49. ## Algebra 2

How do I solve tan of theta * cot of theta? I got 1. Is that right?

asked by Ana on June 9, 2010
50. ## m

Solve the equations. (a) 2D + 3 = 13 D = _____ (b) 12E - 3 = 0 E = _____

asked by Regina M on December 21, 2012
51. ## algebra1

what formula should i use to solve this quadratic formula? 2x2 + 4x + 2 = 0.

asked by ash on June 7, 2010
52. ## Pre-Calculus

solve by fully factoring x^3-7x-6=0 How would I fully factor this?

asked by Shreya on October 2, 2012
53. ## math

S = 2πr2 + 2πrh solve for h H=S-2πr/2πr?

asked by James Hockery on October 2, 2016
54. ## Precalculus

how would you solve this equation? please help! (x/2)LOG 7 = LOG 5 - xLOG 5

asked by Lizzy on November 15, 2010
55. ## algebra

solve the logarithm log_2 (x -1)- log_2(5x +1) = -3 I got -3, is this correct???????

asked by anon on December 18, 2011
56. ## algebra

Solve: 8 = sqrt () y + 2 a){62} b){6} c) none d){66} And I tried to the sqrt root image i can see but you can't and thanks

asked by poo on June 10, 2010
57. ## Math

Could someone help me with this equation? Use the quadratic formula to solve the equation... 2x^2 - x = -10

asked by Punkie on June 10, 2010
58. ## trigonometry

{1/(sec x - 1)} - {1/(sec x +1)} = 2 cot^2 x solve using identities?

asked by Britt on December 20, 2011
59. ## Calc

Set the first derivative and second derivative of x^2/x-2 equal to 0. Solve for 0.

asked by Anonymous on October 22, 2012
60. ## Calculus help

Solve using implicit derivative cuberoot(x)+cuberoot(xy)=4y^2

asked by Collins on October 26, 2015
61. ## algebra 2

i cant figure out how to solve this? T with two over powe +7T-18+0 so far if figure out T+ but i dunno what

asked by me on June 13, 2010
62. ## Math

How do you solve for the intersection points? x^2+y^2=25 4y=3x I know the points are (4,3) and (-4,-3) but how do you get this algebraically?

asked by Anonymous on October 2, 2007
63. ## math: pre-calculus

Solve the equations. Log(6x-1) = Log(x+1) + log4

asked by Nicky on May 8, 2016
64. ## math

solve -14is less then and equal to 3x -7less than and equal to -2

asked by Tracy on January 23, 2011
65. ## Math

Can you explain how to solve this problem step by step? -4t + 16 = 24

asked by Diego on November 9, 2009
66. ## Math help

Solve: x-(3/x)

asked by Shawn on November 10, 2008
67. ## Algebra 2

16x^2+16y^2-16x+24y-3=0 How do I solve this?

asked by Soto on April 8, 2010
68. ## Dividing decimals

How do you solve 49.05 divided by 2.5. Need to see step by step process.

asked by Elle on March 2, 2014
69. ## geometry!

can anyone please explain to me how to solve these problem step by step: 1. 3x+y= -6 2. 2x-5y=12 thank you!

asked by Sara on September 19, 2011
70. ## math

Solve the equation y^2+3y+2 = 0 how is the equation y^2+3yx+2x^2 related

asked by Please Help on May 13, 2019
71. ## Algebra II

Is this correct? Solve: 2lnx-2=0 2lnx=2 Lnex=1 E^1=x

asked by Sora on March 17, 2015
72. ## Math

How would I solve this...I don't get it. Two solutions of an equation are (6,5) and (8,5). What could the equation be?

asked by Tim on April 3, 2011
73. ## Math

Solve this linear equation, y-x divided by 2=5 x-y divided by 5=13

asked by Cherie on January 11, 2015
74. ## Algebra

How do I rearrange this equation to solve for m1 (step by step) r1/r2 = √m2/m1

asked by Ken on August 24, 2015
75. ## math

x= sqrt( 3/2x + 5/2 ) sqrt = square root How do you solve this ? Thank you.

asked by Maisha on May 19, 2010
76. ## Pre-calculus

Can someone please help me with this problem.. I don't get it! Solve (sqrt 5r - 9)-3 = sqrt(r+4)-2

asked by Lucina on April 11, 2015
77. ## math

solve -4+7logx=10 & log(x+3)+log(x-2)=log14

asked by allen on May 5, 2011
78. ## Algebra

What does domain mean? I am working on a problem that wants me to solve for the domain?

asked by Lori on March 13, 2008
79. ## math vectors

If Vector a = (2, 2k), Vector b = (4, -k), are perpendicular, solve for k with solutions?

asked by Simran on February 22, 2015
80. ## algebra

can you help me solve these problems step by step? -9(6+u)-2u=-10 and 13x+7(-3x-1)=-63

asked by girl09 on January 27, 2009
81. ## math

solve the equation 5 indice x = 1 and 16 indice x =0.165

asked by swendy on January 18, 2012
82. ## Math

Solve log(x4 power)=(logx) 3 power

asked by Praphulla on February 15, 2014
83. ## Algebra

Solve the logarithmic equation. log2(4x)-log2(x+3)=1

asked by Meghan on July 29, 2011
84. ## Trig

solve sin(2 theta)< cos( theta)

asked by maggie on April 19, 2009
85. ## Logarithms (math)

how do you solve for x 3.4e^(2-2n)-9=-4 I don't know what is the step by step process. Help please!

asked by Jessica on January 31, 2013
86. ## Math

5a+6b/2 minus 5a+6b/2 The answer is suppose to be 6b. When I try and solve it I keep getting 0 for my answer.

asked by Rick on May 6, 2010
87. ## pre calculus

1/3log(base7) x=2log(base7)4 Solve for x?

asked by Natasha on September 17, 2012
88. ## AP Math

Solve: log2(2x^2)[log2(16x)]= 9/2log2x

asked by Anonymous on January 6, 2010
89. ## Chemistry

E=hc/lambda How would I rearrange this to be able to solve for the other variables (c or lambda)??????? Please and thank you.

asked by Corin on November 29, 2016
90. ## math

1/4x-1/6y=-2 -1/6x+1/5y=4 solve for x and y its suppose to be x equals 12 and y equals 30 need steps thanks

asked by dj on July 21, 2008
91. ## integrated algebra

how can you solve x^2 - 3x = 0 i was using a formula as: x^2-7x+10=0 (x-5)(x+2)= 0 x-5=0 x+5 +5 x=5 I was following this formula but got stumped on this question please help.

asked by sally on January 13, 2012
92. ## math, I think I have it now...

Is this the correct way to solve this? 5+3x4-2= 3x4=12 +5= 17 -2+15 is the answer 15?????

asked by Ashley on December 6, 2007
93. ## Chemsitry

If Kc = 6.38 × 105 for the reaction A(g) ⇀ ↽ 2B(g), what is Kc for the reaction written as 2B(g) ⇀ ↽ A(g)? How would I solve this?

asked by Sara on April 26, 2014
94. ## pre-algerbra

step by step how to solve algerba problems

asked by Carus II on August 3, 2011
95. ## math

cos2x-sinx=0. Factor and solve for sinx

asked by anon on October 21, 2013
96. ## Lisa

2/3 to the second power divided by 4/5 divided by 1/3. Can you help me solve this? Thank you! (2/3)^2/(1/3)^1= (2/3)^2 * 3^1 = 2^2 * 3/9= 4/3 check that.

asked by Math- Help -Please on February 21, 2007
97. ## algebra 1

nine tenths of a number g is the same as seven plus two thirds of another number k solve for k

asked by kamryn on October 15, 2015
98. ## Math

Solve for the indicated variable: A = 2(pi)r^2 + 2(pi)rh, for positive r (and by pi i mean 3.14...) This is what I have so far: A = 2pi(r^2+rh) A/2pi=r^2 + rh ? Thanks!

asked by Momo on January 30, 2010
99. ## Math solving for x

In the expression 4x squared + 7 what is the degree of 4x squared? How do I solve for X?

asked by Sheila on December 9, 2016
100. ## Trig Proofs

Please solve this proof Tan(pi/4 +x)+ Tan(pi/4+x)= 2Sec2x

asked by Kim on April 27, 2009