(x+109)+(x+89)=180

Solution for (x+109)+(x+89)=180 equation:

Simplifying
(x + 109) + (x + 89) = 180

Reorder the terms:
(109 + x) + (x + 89) = 180

Remove parenthesis around (109 + x)
109 + x + (x + 89) = 180

Reorder the terms:
109 + x + (89 + x) = 180

Remove parenthesis around (89 + x)
109 + x + 89 + x = 180

Reorder the terms:
109 + 89 + x + x = 180

Combine like terms: 109 + 89 = 198
198 + x + x = 180

Combine like terms: x + x = 2x
198 + 2x = 180

Solving
198 + 2x = 180

Solving for variable 'x'.

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

Add '-198' to each side of the equation.
198 + -198 + 2x = 180 + -198

Combine like terms: 198 + -198 = 0
0 + 2x = 180 + -198
2x = 180 + -198

Combine like terms: 180 + -198 = -18
2x = -18

Divide each side by '2'.
x = -9

Simplifying
x = -9