x+(x-18)+(2x+18)=180

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Solution for x+(x-18)+(2x+18)=180 equation:


Simplifying
x + (x + -18) + (2x + 18) = 180

Reorder the terms:
x + (-18 + x) + (2x + 18) = 180

Remove parenthesis around (-18 + x)
x + -18 + x + (2x + 18) = 180

Reorder the terms:
x + -18 + x + (18 + 2x) = 180

Remove parenthesis around (18 + 2x)
x + -18 + x + 18 + 2x = 180

Reorder the terms:
-18 + 18 + x + x + 2x = 180

Combine like terms: -18 + 18 = 0
0 + x + x + 2x = 180
x + x + 2x = 180

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

Combine like terms: 2x + 2x = 4x
4x = 180

Solving
4x = 180

Solving for variable 'x'.

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

Divide each side by '4'.
x = 45

Simplifying
x = 45

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