2(90+-1y)+2y=180

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Solution for 2(90+-1y)+2y=180 equation: 


Simplifying
2(90 + -1y) + 2y = 180
(90 * 2 + -1y * 2) + 2y = 180
(180 + -2y) + 2y = 180

Combine like terms: -2y + 2y = 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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