180-2y-30+y+75=180

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Solution for 180-2y-30+y+75=180 equation: 


Simplifying
180 + -2y + -30 + y + 75 = 180

Reorder the terms:
180 + -30 + 75 + -2y + y = 180

Combine like terms: 180 + -30 = 150
150 + 75 + -2y + y = 180

Combine like terms: 150 + 75 = 225
225 + -2y + y = 180

Combine like terms: -2y + y = -1y
225 + -1y = 180

Solving
225 + -1y = 180

Solving for variable 'y'.

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

Add '-225' to each side of the equation.
225 + -225 + -1y = 180 + -225

Combine like terms: 225 + -225 = 0
0 + -1y = 180 + -225
-1y = 180 + -225

Combine like terms: 180 + -225 = -45
-1y = -45

Divide each side by '-1'.
y = 45

Simplifying
y = 45

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