(90-x)+18=

Solution for (90-x)+18= equation:

Simplifying
(90 + -1x) + 18 = 0

Remove parenthesis around (90 + -1x)
90 + -1x + 18 = 0

Reorder the terms:
90 + 18 + -1x = 0

Combine like terms: 90 + 18 = 108
108 + -1x = 0

Solving
108 + -1x = 0

Solving for variable 'x'.

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

Add '-108' to each side of the equation.
108 + -108 + -1x = 0 + -108

Combine like terms: 108 + -108 = 0
0 + -1x = 0 + -108
-1x = 0 + -108

Combine like terms: 0 + -108 = -108
-1x = -108

Divide each side by '-1'.
x = 108

Simplifying
x = 108