3x+9=-31-7x

Simple and best practice solution for 3x+9=-31-7x equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3x+9=-31-7x equation:


Simplifying
3x + 9 = -31 + -7x

Reorder the terms:
9 + 3x = -31 + -7x

Solving
9 + 3x = -31 + -7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7x' to each side of the equation.
9 + 3x + 7x = -31 + -7x + 7x

Combine like terms: 3x + 7x = 10x
9 + 10x = -31 + -7x + 7x

Combine like terms: -7x + 7x = 0
9 + 10x = -31 + 0
9 + 10x = -31

Add '-9' to each side of the equation.
9 + -9 + 10x = -31 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = -31 + -9
10x = -31 + -9

Combine like terms: -31 + -9 = -40
10x = -40

Divide each side by '10'.
x = -4

Simplifying
x = -4

See similar equations:

| 5(3-x)=15x+15 | | 6x+7y=8 | | 3(1+6x)=2x+1 | | 10(x+2)=3(3x-1) | | 8(x+2)=33+7x | | 4(x-5)=20 | | 9x-16=20-3x | | 6x-2=x+18 | | 16y-5+8=70 | | 125x^3+27=0 | | 125x^3-27=o | | 7x-2x+2-8=12x+29 | | 5x-x+17=-67 | | 7y^2-9y-10=0 | | 2x^2=30 | | 11x-3x+15=5(2x+1) | | 5x^2-42x-27=0 | | 7x-2=2x+28 | | 82=6x+10 | | 3y+2=5-(8-y) | | 3(x+5)=8x+5 | | 9x+6=7x+20 | | 6x^2+3=857 | | .6p=p-32 | | 4x+1+5x=6x+10 | | 11x-x^2=28 | | 28=11x-x^2 | | x^2-11x-28=0 | | 3y^2-y=5 | | x-x^2+6x=4 | | x-5=x^2-2x-5 | | 2x-4=x^2+x-60 |

Equations solver categories