# 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

91,330 questions, page 381
1. ## calculus

solve the equation. Inx+In(x+8)=3

2. ## Pre-Cal

solve(5-x)^-3=8 teach if possibe if not, its ok Thanks

asked by jamie on January 10, 2010
3. ## Math

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

asked by Mary on April 24, 2011
4. ## Algebra

Solve. -8x-25= -27 and 2/3. My answer is x= -1/3. Is this correct? Thanks.

asked by B.B. on February 22, 2010
5. ## Math!!!!

y-(-3)= -1/2(x-(0)) How do you solve this equation and graph?????

asked by Alexa on March 26, 2014
6. ## Algebra 1

Solve the inequality. |x|

asked by Natalie on January 11, 2010
7. ## Math

How do I solve for x in: 1/x > x I need to do it both algebraically and graphically, but I'm not sure how to do so. Thanks!

asked by Anonymous on November 19, 2014
8. ## Math

Solve? 5 sqrt 2^3x * 64^2x+2 =32768^x

asked by Scott on April 19, 2018
9. ## math

-5+b

asked by rick on January 25, 2016
10. ## Math

asked by Nicole on November 28, 2007
11. ## Chemistry

I don't know how to solve for x in this equation.... 1.75 x 10^-5 = (x^2)/(0.10-x)

asked by Sue on January 19, 2008
12. ## algebra

Solve. -1 = 1/2h - 7 - 3/4h what's the easiest way to get the answer to this? :o

asked by orpheus on November 17, 2013
13. ## Maths

To solve: 3×10tothepower8/5×10tothepower9

asked by Ash on July 4, 2017
14. ## Maths

Solve the equation 4x2+x+10=0

asked by Ande2 on October 1, 2018
15. ## math

how to do u solve this kinda equation 13=[n+3]

asked by brittney on November 10, 2007
16. ## math

24-(8/2)+6= (8/4)*(7*0)= 5*(6-3)+ 10/(8-3)= What order do you use to solve these problems

asked by Anonymous on November 8, 2012
17. ## Math

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

asked by Katie on December 1, 2010
18. ## Math

How do you solve this problem? 5/6-1/3+7/8 divided by (1/2)^3

asked by Mike on January 21, 2010

20. ## math

7x-3y=41 2x=-5y Solve using augmented matrix What do i do?

asked by Andrew on January 4, 2016
21. ## maths

How to solve 3x+2y=4 2x-3y=7 By proporgation value of variable

22. ## Inverse functions

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

23. ## equation

1+1/3 ______ 3 solve in ratio?

asked by equationhelps on October 10, 2014
24. ## algebra

What is a7 for the sequence an=2+5(n-1) How do I solve this? Confused.

asked by Nyk on March 21, 2011
25. ## math

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

asked by barbHELP!!!! on October 7, 2010
26. ## Math

Solve for y: 5^(-4y)= 3 I know y=-.17 but I am confused on what steps I take.

asked by Anonymous on August 29, 2017
27. ## 150 math

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

asked by eddie on January 20, 2013
28. ## jess

Solve: 8p-4 = 4(2p-1) Isn't it equals to 0?

asked by Math on February 10, 2009
29. ## math

solve dy/dx = y^2 - 4 using Separation of Variables?

asked by tasnim on January 18, 2017
30. ## Math

how can i solve for y value with this equation f(x)=-8cos(pi/30(x-y))+8

asked by Chris on January 6, 2016
31. ## math

Solve the triangle. a=16   c=5   B=65degrees

asked by Ivan on December 11, 2018
32. ## Algebra 2

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

asked by Nic on November 4, 2008
33. ## ECC

i don't know how to solve sbout (4,4)(2,-6)?

asked by baw on May 15, 2013
34. ## math

solve the equation -9p - 17 = 10 plz help

asked by Anonymous on January 17, 2019
35. ## clark

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

asked by Jayden on September 8, 2009
36. ## pre calc

use the quadratic formula to solve for x. x^2+2x+5-0

asked by kate on October 29, 2009
37. ## Math

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

asked by anonymous on December 15, 2010
38. ## Math

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

39. ## Math

How would you solve the below equation? q=9p + 1/5 I am lost on this?

asked by Patrick on September 26, 2018
40. ## algebra

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

asked by Mary on May 1, 2011
41. ## algebra

solve the absolute value equation |1+6c|-7=-3

asked by Anonymous on October 3, 2010
42. ## math

Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}

asked by Natalie on February 8, 2010
43. ## math

2. Solve 2/3 =(x+5)/3 A. x = –3 B. x = 3 C. x = 2/3 D. No answer shown

asked by ryanhamblin on November 1, 2012
44. ## precal

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

asked by Anonymous on May 26, 2015
45. ## Differential Equations

(D^2 + 1) y = sec^2 (x) tan (x) solve for Yp.

asked by Cathy on October 14, 2014
46. ## algebra

solve using the multiplication principle.

asked by tim on November 28, 2010
47. ## math

solve the expression √12 x √30 -√20 x √8 simplifies to

asked by Anastasia on October 19, 2015
48. ## Algebra

Solve: x^2 +4x+1=0 Is the answer 2+-sqrt2?

asked by Shawn on November 9, 2008
49. ## Algebra 2

f(x)= x+5, if x>0 3, if x

asked by HELP on July 3, 2011
50. ## Maths

Solve the initial value problem t(dy/dt)+2y=9t with x(1)=4

asked by Lisa on April 11, 2011
51. ## Maths

Solve the initial value problem 10(t+1)(dy/dt)+9y= 9t for t > -1 with y(0)=15

asked by Lisa on April 11, 2011
52. ## Aims math [help please very appreciated]

Solve fro x. 15x+4=21+2x

asked by Amy on December 15, 2010
53. ## CALCULUS

Solve the differential equation: dy/dx = x (y^(1/3))

asked by Anonymous on May 29, 2012
54. ## Algebra

Solve. 1.) 7/33y = -56/3 2.) 8/11k = 29/44

asked by Kay on October 19, 2015
55. ## algebra

Logarithmic equation Solve for x: 3x=15

asked by Mike on July 31, 2017
56. ## PreCal

Solve Using Log Properties: 1/4 = 8^3x+5

asked by Maria on April 4, 2014
57. ## precal

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

asked by Anonymous on May 26, 2015
58. ## 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
59. ## Algebra 1

solve each equation x(x - 3) - x(x+4)=17x - 23

asked by Sam on June 26, 2011
60. ## Precal

Use row reduction to solve this x+4y=-22 -2X-2y=14

asked by Kyle on February 1, 2016
61. ## math

arctan(y)=x+c To solve for y, would it just be: y=tan(x+c)?

asked by carl on January 17, 2017
62. ## math

Solve: {(3r+s)/(10r^2-3rs-s^2)}+{(2r-s)/(2r^2+rs-s^2)}

asked by James on February 14, 2018
63. ## Math

Area of a trapezoid solve for b1: A= 1/2h(b1= b2)

asked by Sarah on January 7, 2008
64. ## math

how do i solve these logs? log1/2 (3x+1)^1/3= -2 3^(x^3)= 9^x

asked by kayla on January 8, 2009
65. ## maths

Solve the inequality //(2x-1)(x+3)/-4/< 1 where /x/ is the modulus of x.

asked by black_widow on March 24, 2013
66. ## math

solve the following equation for z x=1/25(22z-9w)

asked by MOSS on July 19, 2011
67. ## maths

solve : 5x(squared) - 245 = 0

asked by Amy on February 8, 2010
68. ## algebra

solve by factoring 2a² - 3a = -5

asked by Lisa on July 19, 2011
69. ## precal

Solve for x 10^x/10 = (0.01)^1/3 A.) x = -2 B.) x = 1/3 C.) x = 2/3 None of those seem to fit when plugged in.

asked by Anonymous on August 28, 2010
70. ## algebra

Solve the equation-5y-9=(y-1) answers are-1/2, -21/2, -2, ,2/4

asked by Lucky on February 23, 2014
71. ## Algebra 1

How do I solve a quadratic equation?

asked by Ashley on June 28, 2010
72. ## math

Solve for all values of x: sin3x = 1/2

asked by Veronica on January 5, 2010
73. ## Math

How do you solve negative exponents?

asked by Kate on March 10, 2013
74. ## 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
75. ## Math

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

asked by Renee on March 29, 2012
76. ## ashy

I've got a question. how do i solve this p(t)=25-25e^-3(1)

asked by math on March 16, 2011
77. ## math

(2r+9) - (10r-12r) solve for r

asked by Anonymous on October 14, 2009
78. ## precal

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

asked by Anonymous on May 26, 2015
79. ## URGENT math

asked by cla on March 27, 2012
80. ## Math

Solve: ((3/n)-(2/m)) ------------------------ (9m^2)-(4n^2) ----------------- mn ----- AND / = fraction bars

asked by James on February 14, 2018
81. ## Math

How do I solve this math problem. -10+ V_=-3. 2

asked by Robert on January 23, 2013
82. ## Math Analysis

How would I solve: x-1/x+2 is greater than or equal to x/x-2

asked by jon on December 15, 2007
83. ## Calculus

solve: Sin2x=Sinx

asked by Lauren on March 27, 2012
84. ## Math

if you simplify(8x)^(-1/3) it is 1/2x right? also how do i solve (3x^(3/4))(16x)^(1/4) ? Thank you!

asked by Amerie on August 21, 2010
85. ## math help!!

1/x+2 + 1/X+4 =1 Solve by using quadratic formula.

86. ## 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
87. ## Math 1

Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}

asked by Talli on February 8, 2010
88. ## math

how will you solve these equations using matrices x+y=1 and 3x-2y=4/3

asked by sha on June 27, 2010
89. ## Math question

Solve: x^2 +4x+1=0 Is the answer 2+-sqrt2?

asked by Shawn on November 9, 2008
90. ## Algebra 2

Solve the following equation for the variable x. (4/x-2)+(3/x+2)=(-3x/x^2-4) Thank you very much for your help.

asked by Esther on March 16, 2011
91. ## math

Solve the following for x: 13x^2 - 16x = 4

asked by Shiv on May 5, 2018
92. ## MATH - Log

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

asked by Ulasi on March 30, 2018
93. ## math

how do I solve problems like this? 64x1 7/24

asked by jessica on July 19, 2017
94. ## math- logarithms

how do i solve these logs? log1/2 (3x+1)^1/3= -2 3^(x^3)= 9^x

asked by kayla on January 8, 2009
95. ## (hsb)

solve the problem of housing

asked by roshane on September 19, 2011
96. ## Maths

Use your calculator to solve x squared + 8x + 5 = 0

asked by Remy on September 17, 2009
97. ## algebra 2 trig

i need to find out how to solve this problem: 9x+2 7 ---------- + --- 3x^2-2x-8 3x^2+x-4

asked by eden on September 27, 2009
98. ## algebra

How do you do the equation 8x+20y=10 solve for y and x

asked by Jackie on August 24, 2010
99. ## Math-log

Solve for X in (Log X)-6Log X+9=0 ³ ³

asked by Wisdom on April 2, 2018
100. ## math

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

asked by heather on April 5, 2011