90+30+y=180

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Solution for 90+30+y=180 equation: 


Simplifying
90 + 30 + y = 180

Combine like terms: 90 + 30 = 120
120 + y = 180

Solving
120 + y = 180

Solving for variable 'y'.

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

Add '-120' to each side of the equation.
120 + -120 + y = 180 + -120

Combine like terms: 120 + -120 = 0
0 + y = 180 + -120
y = 180 + -120

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

Simplifying
y = 60

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