x+(x-42)=180

Solution for x+(x-42)=180 equation:

Simplifying
x + (x + -42) = 180

Reorder the terms:
x + (-42 + x) = 180

Remove parenthesis around (-42 + x)
x + -42 + x = 180

Reorder the terms:
-42 + x + x = 180

Combine like terms: x + x = 2x
-42 + 2x = 180

Solving
-42 + 2x = 180

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 2x = 180 + 42

Combine like terms: -42 + 42 = 0
0 + 2x = 180 + 42
2x = 180 + 42

Combine like terms: 180 + 42 = 222
2x = 222

Divide each side by '2'.
x = 111

Simplifying
x = 111