7x-12+8-9x=15

Simple and best practice solution for 7x-12+8-9x=15 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 7x-12+8-9x=15 equation:


Simplifying
7x + -12 + 8 + -9x = 15

Reorder the terms:
-12 + 8 + 7x + -9x = 15

Combine like terms: -12 + 8 = -4
-4 + 7x + -9x = 15

Combine like terms: 7x + -9x = -2x
-4 + -2x = 15

Solving
-4 + -2x = 15

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -2x = 15 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = 15 + 4
-2x = 15 + 4

Combine like terms: 15 + 4 = 19
-2x = 19

Divide each side by '-2'.
x = -9.5

Simplifying
x = -9.5

See similar equations:

| 5+z=0 | | x=0.16y-0.67 | | 3x=9x+9 | | 5x-3+9-x=3 | | -5.4=-1.5+x | | 2/3(3x-1)=1/3(4+5) | | -4-3y=y+8 | | x=80-5*9 | | 5x+1y=9 | | 5.5n+22=p | | 5n+22=p | | 5x+25=x+1 | | -4(2x^2)= | | 2x^2+7+15=0 | | n(2x-3)=8 | | 6j=43+5 | | r+3r+23=51 | | -4(4x-4)=14 | | 4(2y-3)-12=x | | 9h+20=62 | | 6=-3(x+32) | | 2x^3+6x-2x^2+3=0 | | 5a+4(3a-5)+9=3 | | X^3-2x^2-5x-4=0 | | -(2y-x)=4 | | 4p^2+16p+4=-3 | | 2x+3x+4x-5=2x+3+4x | | x-14=9x-30 | | p+19.9=53.4 | | 1-x=5x+37 | | 7(x+5)-8=27 | | 9x=5x+30 |

Equations solver categories