9+7x=81+x

Simple and best practice solution for 9+7x=81+x 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 9+7x=81+x equation:


Simplifying
9 + 7x = 81 + x

Solving
9 + 7x = 81 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
9 + 7x + -1x = 81 + x + -1x

Combine like terms: 7x + -1x = 6x
9 + 6x = 81 + x + -1x

Combine like terms: x + -1x = 0
9 + 6x = 81 + 0
9 + 6x = 81

Add '-9' to each side of the equation.
9 + -9 + 6x = 81 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = 81 + -9
6x = 81 + -9

Combine like terms: 81 + -9 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

See similar equations:

| 10+8x=-2x+34 | | 5x-5=14x-32 | | 11x+21=3x+133 | | 49x^2-81=0 | | 6x+18=16x-92 | | 6X+14=113-5x | | 4a+6=2a+2 | | -17-2x=8-7x | | 12+2x=5x | | 5(x-6)=-28.5 | | 6x^2-2x=8 | | 3x+12=-84-9x | | 20-n=n-10 | | 10-4x=-6 | | -111-9x=9x+15 | | y^2-10y-12=0 | | 7.8x+2=2x+20 | | 2y-4=11 | | 6x-5=2x+9 | | 288-4x=41x+23 | | 2(4x-3)=14 | | 2x+29=9x-34 | | -5g-(11-2g)=-(g+8)+5 | | 5y+3=3y+10 | | 2x+5=23-x | | 5-8x=32-15x | | 2x-5=11x-34 | | w-3=9 | | 5(a+1)=42.5 | | 11x-5=9x+1 | | x+2x=12 | | 9.4=4c-9 |

Equations solver categories