180=x+(x+90)+(x-18)

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Solution for 180=x+(x+90)+(x-18) equation:


Simplifying
180 = x + (x + 90) + (x + -18)

Reorder the terms:
180 = x + (90 + x) + (x + -18)

Remove parenthesis around (90 + x)
180 = x + 90 + x + (x + -18)

Reorder the terms:
180 = x + 90 + x + (-18 + x)

Remove parenthesis around (-18 + x)
180 = x + 90 + x + -18 + x

Reorder the terms:
180 = 90 + -18 + x + x + x

Combine like terms: 90 + -18 = 72
180 = 72 + x + x + x

Combine like terms: x + x = 2x
180 = 72 + 2x + x

Combine like terms: 2x + x = 3x
180 = 72 + 3x

Solving
180 = 72 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
180 + -3x = 72 + 3x + -3x

Combine like terms: 3x + -3x = 0
180 + -3x = 72 + 0
180 + -3x = 72

Add '-180' to each side of the equation.
180 + -180 + -3x = 72 + -180

Combine like terms: 180 + -180 = 0
0 + -3x = 72 + -180
-3x = 72 + -180

Combine like terms: 72 + -180 = -108
-3x = -108

Divide each side by '-3'.
x = 36

Simplifying
x = 36

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