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

58,075 questions, page 202-
## math

Solve each equation xˉ² = 4

*asked by Marilyn on July 30, 2008* -
## chemistry

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

*asked by alex on February 1, 2011* -
## 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* -
## 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* -
## Math

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

*asked by Emily on October 18, 2010* -
## math

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

*asked by jack on September 17, 2007* -
## equation and inequalities

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

*asked by lily on December 30, 2014* -
## 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* -
## Math

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

*asked by Adri on September 23, 2015* -
## 9th grade algebra

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

*asked by jean on November 12, 2009* -
## 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* -
## Math

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

*asked by Zoomy on April 26, 2012* -
## 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* -
## Math

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

*asked by Amy on February 15, 2016* -
## 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* -
## algebra

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

*asked by kim on May 4, 2012* -
## Basic Algebra

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

*asked by Catherine on July 16, 2011* -
## Math

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

*asked by selena on March 18, 2015* -
## algebra

solve the quadratic equation: 3x(3x+4)=-4

*asked by nicky on August 21, 2008* -
## algebra

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

*asked by nicky on August 21, 2008* -
## Math

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

*asked by anonymous on November 22, 2018* -
## math

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

*asked by John on October 21, 2010* -
## algebra

how do i solve this equation by using substitution? 2x+y=4 3x+2y=1 please help. thanks

*asked by Mathew G on August 23, 2008* -
## Math

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

*asked by Please help Ms.sue on September 28, 2011* -
## 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* -
## Math

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

*asked by Quade on October 5, 2014* -
## algebra

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

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

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

*asked by Anonymous on October 13, 2007* -
## algebra

Please help. Solve the given system of equation. 3x -Y =-7

*asked by Vee on January 31, 2013* -
## 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* -
## Algebra

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

*asked by Kia on February 12, 2009* -
## 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* -
## Algebra

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

*asked by y912f on May 7, 2010* -
## 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* -
## 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* -
## 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* -
## algebra

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

*asked by Lee on August 19, 2011* -
## 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* -
## 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* -
## math

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

*asked by carolina on April 10, 2016* -
## 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* -
## math

what is the equation for arc length?

*asked by john on December 16, 2008* -
## algebra

I need help solving this equation. 7y+5/3 = -8/y-3. I am stuck. please help me.

*asked by Maria on June 26, 2014* -
## Please help! Maths

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

*asked by Seth on April 13, 2013* -
## Math

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

*asked by Maruf on April 11, 2017* -
## 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* -
## algebra

Logarithmic equation Solve for x: 3x=15

*asked by Mike on July 31, 2017* -
## Maths

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

*asked by kale on November 27, 2016* -
## trig

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

*asked by Cutie_27 on February 15, 2010* -
## elimination method

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

*asked by shamiso on October 14, 2013* -
## 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* -
## Algebra2

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

*asked by bowershe on December 10, 2013* -
## math

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

*asked by Emily on October 17, 2018* -
## math

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

*asked by kenni on August 27, 2014* -
## math

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

*asked by dust on September 26, 2007* -
## Math

how do you prove the quadratic equation?

*asked by Randy on July 13, 2012* -
## Algebra 1

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

*asked by Steve on December 4, 2014* -
## 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* -
## 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* -
## Calculus

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

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

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

*asked by Mike on August 2, 2017* -
## Chemistry

Balance the equation: Br2 +KI=

*asked by Chloe on July 10, 2018* -
## algebra

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

*asked by bowershe on December 11, 2013* -
## Mathematics

Solve the following equation for x, where 0

*asked by Nina on August 14, 2009* -
## Math

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

*asked by Kaai97 on December 6, 2015* -
## Math

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

*asked by Bye on November 12, 2015* -
## math help one question

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

*asked by Bye on November 12, 2015* -
## adv algebra

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

*asked by sally on September 13, 2012* -
## algebra

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

*asked by Tina on July 6, 2011* -
## Geometry

how do you find the slope when given an equation ?

*asked by katie on January 16, 2008* -
## Math

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

*asked by Dsimmons on May 25, 2016* -
## Algebra

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

*asked by Faye on August 25, 2014* -
## algebra 1

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

*asked by emma on July 11, 2009* -
## 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* -
## math

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

*asked by shima on November 27, 2016* -
## 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* -
## 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* -
## math

answer this simultaneous equation please. 3a-b=9 2a+2b=14

*asked by Rhondi on October 15, 2008* -
## 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* -
## Math

please answer this simultaneous equation. 3a-b=9 2a+2b=14

*asked by Rhondi on October 15, 2008* -
## Calc

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

*asked by Scott on July 11, 2010* -
## math

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

*asked by peter on February 27, 2013* -
## 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* -
## 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* -
## math

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

*asked by somay on June 22, 2016* -
## math

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

*asked by sara on November 27, 2016* -
## 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* -
## college

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

*asked by Jackie on March 24, 2010* -
## 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* -
## 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* -
## 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* -
## algebra

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

*asked by Felicia on June 22, 2016* -
## maths

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

*asked by M.Qamber on February 14, 2013* -
## 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* -
## Calculus

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

*asked by Josh on July 30, 2011* -
## 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.

*asked by PLEASE HELP on May 31, 2012* -
## math

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

*asked by Ben !!!HELP!!! on November 25, 2007* -
## Chemistry

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

*asked by Anonymous on October 4, 2007* -
## AP Chemistry

What is the equation for Pour A Rainbow?

*asked by Mick on November 15, 2010* -
## 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*

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