4*(30+0.5y)-2y+2*(30+0.5y)-y=180

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Solution for 4*(30+0.5y)-2y+2*(30+0.5y)-y=180 equation: 


Simplifying
4(30 + 0.5y) + -2y + 2(30 + 0.5y) + -1y = 180
(30 * 4 + 0.5y * 4) + -2y + 2(30 + 0.5y) + -1y = 180
(120 + 2y) + -2y + 2(30 + 0.5y) + -1y = 180
120 + 2y + -2y + (30 * 2 + 0.5y * 2) + -1y = 180
120 + 2y + -2y + (60 + 1y) + -1y = 180

Reorder the terms:
120 + 60 + 2y + -2y + 1y + -1y = 180

Combine like terms: 120 + 60 = 180
180 + 2y + -2y + 1y + -1y = 180

Combine like terms: 2y + -2y = 0
180 + 0 + 1y + -1y = 180
180 + 1y + -1y = 180

Combine like terms: 1y + -1y = 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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