-81-8=9x+21

Simple and best practice solution for -81-8=9x+21 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 -81-8=9x+21 equation:


Simplifying
-81 + -8 = 9x + 21

Combine like terms: -81 + -8 = -89
-89 = 9x + 21

Reorder the terms:
-89 = 21 + 9x

Solving
-89 = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-89 + -9x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-89 + -9x = 21 + 0
-89 + -9x = 21

Add '89' to each side of the equation.
-89 + 89 + -9x = 21 + 89

Combine like terms: -89 + 89 = 0
0 + -9x = 21 + 89
-9x = 21 + 89

Combine like terms: 21 + 89 = 110
-9x = 110

Divide each side by '-9'.
x = -12.22222222

Simplifying
x = -12.22222222

See similar equations:

| -y-12+6y=9+8y | | -9+4+(-11)= | | 5x-3y=29 | | 5s(8s+3)=0 | | 8x^8-4x^4+12x^2=0 | | 3x^2+9s-12=0 | | 6(2x-1)/5=-18 | | .4b-5=.6b+5 | | y^2=-30-11t | | 5n-6-n=14 | | 2(x-4)=x-5 | | 7n+18=8(n+7) | | 17+(-2)+7= | | 3v^2+19v+28=0 | | -3(4b-10)=.50(-24+60) | | 10+(-7)+1= | | 25+(-12)+12= | | 8y-3=5(y-1)+3 | | 2(5-3a)+9a=28 | | 6u^2=24u | | 25c^2-16=0 | | 2x-x-5=6+x+1 | | 15+23+25+17= | | r^2+4r-12=0 | | 4b+18=74 | | 35p^2-5p=0 | | 7.5+1x=4.5+4x | | 12x^2=4x+5 | | 3x-4x+2x+x=16 | | 27+x=4x-15 | | 3x-1x=34+2x | | 8+6x-10=10x+11-4x |

Equations solver categories