90-(x+30)=

Solution for 90-(x+30)= equation:

Simplifying
90 + -1(x + 30) = 0

Reorder the terms:
90 + -1(30 + x) = 0
90 + (30 * -1 + x * -1) = 0
90 + (-30 + -1x) = 0

Combine like terms: 90 + -30 = 60
60 + -1x = 0

Solving
60 + -1x = 0

Solving for variable 'x'.

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

Add '-60' to each side of the equation.
60 + -60 + -1x = 0 + -60

Combine like terms: 60 + -60 = 0
0 + -1x = 0 + -60
-1x = 0 + -60

Combine like terms: 0 + -60 = -60
-1x = -60

Divide each side by '-1'.
x = 60

Simplifying
x = 60