12x-9=8x-31

Simple and best practice solution for 12x-9=8x-31 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 12x-9=8x-31 equation:


Simplifying
12x + -9 = 8x + -31

Reorder the terms:
-9 + 12x = 8x + -31

Reorder the terms:
-9 + 12x = -31 + 8x

Solving
-9 + 12x = -31 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-9 + 12x + -8x = -31 + 8x + -8x

Combine like terms: 12x + -8x = 4x
-9 + 4x = -31 + 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + 4x = -31 + 0
-9 + 4x = -31

Add '9' to each side of the equation.
-9 + 9 + 4x = -31 + 9

Combine like terms: -9 + 9 = 0
0 + 4x = -31 + 9
4x = -31 + 9

Combine like terms: -31 + 9 = -22
4x = -22

Divide each side by '4'.
x = -5.5

Simplifying
x = -5.5

See similar equations:

| 1-2n+5n=-14 | | 2x+4=-4x-32 | | 12=-14x+2 | | (-4x^3)(-5x^7)= | | 2x-9=7x+7 | | 6x+11=136 | | -3(6-x)+4=4-5(x+2) | | 8b+21=15b | | 1/3(2a^3b)(6b^3)= | | 24=4a+8 | | 6xw+2xz+3yw+yz=0 | | 3n^2+12n-36=0 | | -5+25x+5(-8x-2)=-12x | | 4x+7-68=34-6x | | 2k^2-3k-65=0 | | 37=-3+5(-x+6) | | (a^-2/5)(b^17/5) | | 6x+1=-5x-21 | | R+11+18r=29 | | F(n)=9n | | 9t+3=-5x(-6) | | X(3x-2)+x(2x-2)=(5x+3)(x-2) | | 14-3m=2(m+2) | | 4n+18-1n=120 | | ?x=2/5 | | 8x+2=8(x+2) | | 33*10x=25*14x | | 13z-1=23z+1 | | 5(3+5)=n | | 4x+4=4(x+4) | | 175=-4x-5(-4x-3) | | 18+3x=4x+22 |

Equations solver categories