# it is an equation 9b- 4b+ 3b= 16 please write it step by step

58,075 questions, page 202
1. ## math

Solve each equation xˉ² = 4

asked by Marilyn on July 30, 2008
2. ## chemistry

balanced chemical equation for m(s) + n^(x+) (aq) ---> M^(y+)(aq) + N(s)

asked by alex on February 1, 2011
3. ## Algebra

what is the solution to the system containing the equation ? x + y = -8 and -3x + 2y = 9

asked by anonymous on April 4, 2011
4. ## Product of Roots of Sums of Products of Difference

What is the product of all roots to the equation ++(x−1)(x−2)(x−3)+(x−2)(x−3)(x−4)(x−3)(x−4)(x−5)+(x−4)(x−5)(x−6)(x−5)(x−6)(x−7)+(x−6)(x−7)(x−8)=0?

asked by i need help from anyone! on March 25, 2013
5. ## Math

Given f(x)=2x^2-1, determine the equation of the inverse.

asked by Emily on October 18, 2010
6. ## math

solve the equation 3=4tan(2x+Pi/6) for x

asked by jack on September 17, 2007
7. ## equation and inequalities

Graph the solution of the equation b-15=-12

asked by lily on December 30, 2014
8. ## Math

Which equation is equivalent to 3(2x + 7) = 27 A. (3 * 2x) + 7 = 27 B. (3 * 9) x = 27 C. (3 * 2) + 3 * (x + 7) = 27 D. (3 * 2x) + (3 * 7) = 27 my answer is D. is it right

asked by woah on October 9, 2019
9. ## Math

what is the solution of the equation shown. -4w+5/3= -13

solve the equation. 15(x-3)=12x-43

asked by jean on November 12, 2009
11. ## algebra2

how many solutions are there to the equation below? 6x+30+4x=10(x+3) I want to know how to do this problems Please and Thank you

asked by Karla on June 10, 2015
12. ## Math

What value for a makes this equation true? 5a=a

asked by Zoomy on April 26, 2012
13. ## Precalc

What is the degree of the following polynomial equation? (x+9)(x-5)(x+2)=0 1. 2 2. 3 3. 4 4. 5

asked by CJ on February 20, 2011
14. ## Math

Which of the following makes the equation true? 7t + 26=61 ( 3,5,7,9,)

asked by Amy on February 15, 2016
15. ## math

What is the slope of the line described by the equation below? y - 9 = -2(x - 8)

asked by Anonymous on April 30, 2012
16. ## algebra

how do you solve this rational equation s+4/su^2 + 6s+4/s^2u

asked by kim on May 4, 2012
17. ## Basic Algebra

solve the equation: 16((3x+7)=4(12x+8)

asked by Catherine on July 16, 2011
18. ## Math

(-3,5) (-2,-6) I do not understand equation of a line

asked by selena on March 18, 2015
19. ## algebra

asked by nicky on August 21, 2008
20. ## algebra

solve the rational equation 4/x-2= x/12

asked by nicky on August 21, 2008
21. ## Math

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

asked by anonymous on November 22, 2018
22. ## math

How many solutions satisfy the equation |3x-2|=|x|?

asked by John on October 21, 2010
23. ## algebra

asked by Mathew G on August 23, 2008
24. ## Math

Simplify this equation? 4(c squared - 1) + 1/3c(3c+6)

25. ## math

find three solutions of the equation y= -2x - 6 (-2,-10),(1,4),(2,-1) I think this one (-2,-10),(1,-4),(0,6) (0,-6),(3,-2),(-2,-10) (1,-4),(0,-6),(-1,-9)

asked by really on April 7, 2016
26. ## Math

For the equation given below, evaluate dy/dx 3y^2-3x^2+9=0 at the point (2,1)

27. ## algebra

How would I make v the subject of the following equation? 5v=3(v+r)

asked by Nathan on May 6, 2010
28. ## pre- calculus

how do you find the root(s) of the equation x^2+3x-4=0

asked by Anonymous on October 13, 2007
29. ## algebra

asked by Vee on January 31, 2013
30. ## Intermediate Algebra

I need to know what the perpendicular equation is to x-3y=6 with the line through (-2,-9)

asked by Lisa on December 6, 2011
31. ## Algebra

i need help on my homework. how can i graph this equation? y-3=0

asked by Kia on February 12, 2009
32. ## Intermediate Algebra

I need to know what the perpendicular equation is to x-3y=6 with the line through (-2,-9)

asked by Lisa on December 6, 2011
33. ## Algebra

40. Solve for the variable in the equation 3(-2 - 3x) = -9x -4. x=2/3 ?

asked by y912f on May 7, 2010
34. ## Algebra

47. Solve for the variable in the equation: 3.4 = -13.6 + (-3.4c) + 1.7c c=-10 That is what I got.

asked by y912f on May 7, 2010
35. ## math

Rewrite the equation so that y is the fucntion of x: a. 1/7(49-7y)=5x-3y+14 b. 4(2x-3y)=-5(x+3y)

asked by Anonymous on September 24, 2009
36. ## Algebra I

Rewrite the equation so that y is the fucntion of x: a. 1/7(49-7y)=5x-3y+14 b. 4(2x-3y)=-5(x+3y)

asked by Kat on September 24, 2009
37. ## algebra

Find the y intercept for the equation -2x+2=4

asked by Lee on August 19, 2011
38. ## mathematics

If ?2 is the solution of the equation 2x+1? 3c=2c+3x?7 find the value of c

asked by sunkanmi on April 3, 2014
39. ## math

find three solutions of the equation y= -2x - 6 (-2,-10),(1,4),(2,-1) (-2,-10),(1,-4),(0,6) (0,-6),(3,-2),(-2,-10) I think this one? (1,-4),(0,-6),(-1,-9)

asked by really on April 7, 2016
40. ## math

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

asked by carolina on April 10, 2016
41. ## Calculus..Need Help Soon

If f(x)=1-x^3 and f^-1 is the inverse of f, how many solutions does the equation f(x)=f^-1(x) have? a)none b)one c)three d)five e)six

asked by Leanna on September 12, 2010
42. ## math

what is the equation for arc length?

asked by john on December 16, 2008
43. ## algebra

asked by Maria on June 26, 2014

For what value of K will the equation 3x^2- 4x-(1+K)= 0 have equal roots?

asked by Seth on April 13, 2013
45. ## Math

Solve the equation: sin^-1 (4x^4+x^2) = 1/6 pi

asked by Maruf on April 11, 2017
46. ## Algebra

Ok, this equation is confusing me and I don't know how to do it 5/8 - (1/4) ^2 I know that 5/8-1/4 is 3/8, but what else do I do?

asked by Baby_Banana on January 24, 2018
47. ## algebra

Logarithmic equation Solve for x: 3x=15

asked by Mike on July 31, 2017
48. ## Maths

How do I sketch a curve with equation y = x(x-2)^2 ?

asked by kale on November 27, 2016
49. ## trig

how do you graph the equation y=-2cosx?

asked by Cutie_27 on February 15, 2010
50. ## elimination method

solve the equation through elimination:8y+4z=7 and 6y - 8z =41

asked by shamiso on October 14, 2013
51. ## Algebra

Q=50-5P. Solve the equation for P Choose the right one P=50-Q P=50+Q P=10-5Q P=10-(1/5)Q P=50-5Q

asked by BC on August 29, 2010
52. ## Algebra2

what is the solution to the above system of equation 2x + 5y =-4 4x -5y =22

asked by bowershe on December 10, 2013
53. ## math

How to rearrange an equation by using A=2pirh?

asked by Emily on October 17, 2018
54. ## math

Solve the following logarithmic equation. ln(x+3)-ln(x-2)=6

asked by kenni on August 27, 2014
55. ## math

What is addition property using the equation? (3+1) + 6 = 3 + (1+6)

asked by dust on September 26, 2007
56. ## Math

how do you prove the quadratic equation?

asked by Randy on July 13, 2012
57. ## Algebra 1

For the equation -4y =8x, what is the constant of variation?

asked by Steve on December 4, 2014
58. ## prealgebra

In solving this equation (x+3)(x-3)=-8 is the answer x+3=-8=>x=-11 if not why?

asked by kim on October 5, 2011
59. ## 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
60. ## Calculus

Solve the differential equation f"(x)=x^2, f'(0)=3, f(0)=-1

asked by Anonymous on February 5, 2015
61. ## algebra-math

exponential equation Solve for x 10^1^-x=10^4

asked by Mike on August 2, 2017
62. ## Chemistry

Balance the equation: Br2 +KI=

asked by Chloe on July 10, 2018
63. ## algebra

What is the Vertex form of the equation y=x^2+4x-3

asked by bowershe on December 11, 2013
64. ## Mathematics

Solve the following equation for x, where 0

asked by Nina on August 14, 2009
65. ## Math

For the equation -4y=8x, what is the constant of variation?

asked by Kaai97 on December 6, 2015
66. ## Math

Identify the form of this equation 5x+4y=8

asked by Bye on November 12, 2015
67. ## math help one question

Identify the form of this equation 5x+4y=8

asked by Bye on November 12, 2015

name the property that each equation illustrates 83+6=6+83

asked by sally on September 13, 2012
69. ## algebra

Determine whether 14 is a solution of the equation 6(x - 2)= 70

asked by Tina on July 6, 2011
70. ## Geometry

how do you find the slope when given an equation ?

asked by katie on January 16, 2008
71. ## Math

What is the equation of direct variation given that y is 16 and x is 2?

asked by Dsimmons on May 25, 2016
72. ## Algebra

Is (0,3) a solution to the equation y = x + 3? My answer is no.

asked by Faye on August 25, 2014
73. ## algebra 1

Solve the equation: 14x + 3x - 40 = 11

asked by emma on July 11, 2009
74. ## geometry

equation of a line with the co-ordinates(10,0),(11,2),(12,4),(13,6) and (14,8)

asked by Anonymous on May 11, 2011
75. ## math

asked by shima on November 27, 2016
76. ## Math

Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3

asked by Lola on January 2, 2016
77. ## Algebra

What is the solution to the following equation? 16 = 4x - 4 My answer is 5 because 4 * 5 = 20 -4 = 16

asked by Faye on August 25, 2014
78. ## math

asked by Rhondi on October 15, 2008
79. ## maths

Given that x=lg a is a solution of the equation 10^(2x+1)-7(10^x) =26. Find the value of a.

asked by Lindsay on May 27, 2014
80. ## Math

asked by Rhondi on October 15, 2008
81. ## Calc

Solve the following separable equation. y'=(4x^3-1)/y for y(1)= -3

asked by Scott on July 11, 2010
82. ## math

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

asked by peter on February 27, 2013
83. ## Math

Im trying to find out what the value of this equation is: x^37+ x^31 + x^47+ x^26+ x^63+ x^9 + 6. By using the fact that (x + 1/x) ^2 = 3

asked by Nerd Girl on January 1, 2016
84. ## math- pre algebra

can you help me with this equation and may you please show your work? -3=3-y

asked by Tanisha on May 25, 2009
85. ## math

TRY THIS EXPONENTIAL EQUATION 4(2^Xsquare)=8^X

asked by somay on June 22, 2016
86. ## math

Solve the quadratic equation, 2 x2 - 5 x+3

asked by sara on November 27, 2016
87. ## Algebra 1

Name the property that is used in the equation. Then solve for n. 7y+y=7y+ny

asked by Fred Flintsone on October 4, 2017
88. ## college

solve each equation 1/5y2-2=-3y

asked by Jackie on March 24, 2010
89. ## just checking(:

For the equation -4y = 8x, what is the constant of variation? a) -4 b) -2 c) 1 d) 2 Is it b) 2?

asked by Linear Functions on November 25, 2015
90. ## JOe

How do I find the equation of the wave h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 9 8 9 5 8 9 3

asked by PreCalculus on December 3, 2009
91. ## College Algebra

How would I go about solving for x in the equation: ln(4x-2)-ln(4)=-ln(x-2) Thanks in advance

asked by Rina on June 7, 2012
92. ## algebra

Find the given table for equation 4 x + y = 9

asked by Felicia on June 22, 2016
93. ## maths

Given equation F=9/5c+20 find f-intercept

asked by M.Qamber on February 14, 2013
94. ## MATH

If (-2,y) is a solution to the equation 2x-3y=5, what is the value of y? I'm having trouble with this one

asked by Anonymous on December 9, 2013
95. ## Calculus

Need help with this complex number equation. 8-3i/-4-6i=

asked by Josh on July 30, 2011
96. ## Calculus First Derivatives

If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately... I have no idea how to do this without an equation.

97. ## math

can the quadratic equation be used on -3p^2+66p+9

asked by Ben !!!HELP!!! on November 25, 2007
98. ## Chemistry

Is there an equation for acid rain? What is it?

asked by Anonymous on October 4, 2007
99. ## AP Chemistry

What is the equation for Pour A Rainbow?

asked by Mick on November 15, 2010
100. ## MATH

How is the sentence “12 less than x is four” written as an equation?

asked by Help i need somebody not just anybody on October 5, 2017