2x+(90-x)+(90-x)=180

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Solution for 2x+(90-x)+(90-x)=180 equation:


Simplifying
2x + (90 + -1x) + (90 + -1x) = 180

Remove parenthesis around (90 + -1x)
2x + 90 + -1x + (90 + -1x) = 180

Remove parenthesis around (90 + -1x)
2x + 90 + -1x + 90 + -1x = 180

Reorder the terms:
90 + 90 + 2x + -1x + -1x = 180

Combine like terms: 90 + 90 = 180
180 + 2x + -1x + -1x = 180

Combine like terms: 2x + -1x = 1x
180 + 1x + -1x = 180

Combine like terms: 1x + -1x = 0
180 + 0 = 180
180 = 180

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

Combine like terms: 180 + -180 = 0
0 = 180 + -180

Combine like terms: 180 + -180 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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