9+9x=89+x

Solution for 9+9x=89+x equation:

Simplifying
9 + 9x = 89 + x

Solving
9 + 9x = 89 + 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 + 9x + -1x = 89 + x + -1x

Combine like terms: 9x + -1x = 8x
9 + 8x = 89 + x + -1x

Combine like terms: x + -1x = 0
9 + 8x = 89 + 0
9 + 8x = 89

Add '-9' to each side of the equation.
9 + -9 + 8x = 89 + -9

Combine like terms: 9 + -9 = 0
0 + 8x = 89 + -9
8x = 89 + -9

Combine like terms: 89 + -9 = 80
8x = 80

Divide each side by '8'.
x = 10

Simplifying
x = 10