81=8x+9

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


Simplifying
81 = 8x + 9

Reorder the terms:
81 = 9 + 8x

Solving
81 = 9 + 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.
81 + -8x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
81 + -8x = 9 + 0
81 + -8x = 9

Add '-81' to each side of the equation.
81 + -81 + -8x = 9 + -81

Combine like terms: 81 + -81 = 0
0 + -8x = 9 + -81
-8x = 9 + -81

Combine like terms: 9 + -81 = -72
-8x = -72

Divide each side by '-8'.
x = 9

Simplifying
x = 9

See similar equations:

| 2x+4x+16=7 | | x+5x+6=0 | | 9n-9n=-7(1-9n)+7(-11-6n) | | -2x-5=-3x+6 | | 5644.9664=4*3.148*r^2 | | 2(3w+2)=-8 | | 3.5-x+6=2.5x+6 | | Y=3x+logP | | 740-50h=0 | | n+1.42=28.4 | | 1+2-3(4*1)-1= | | 4x-(2x-5)=3-4(2x+3x) | | 1+3(2x-4)=2(3x-5) | | 4=2+2y | | 7[x-(6x-7)]=1-2x | | -6(n-2)-7(n+6)=-69 | | 7x-3=2x+25 | | 7b-0.7=8b | | 7x+3=2x+25 | | 4x=3+6n | | 7b-0.7=7b | | 3x-90=-60 | | 7x-3=2x+65 | | 5(x-7)-5x=2x-51 | | x(squared)=144 | | 15=6y-4 | | 42=3y+12 | | 4x+24=6(x+7) | | 32+5p=9p | | 7x+3=2x+65 | | 4u=36 | | (5+2i)(3-5i)=0 |

Equations solver categories