90-y=150

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Solution for 90-y=150 equation: 


Simplifying
90 + -1y = 150

Solving
90 + -1y = 150

Solving for variable 'y'.

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

Add '-90' to each side of the equation.
90 + -90 + -1y = 150 + -90

Combine like terms: 90 + -90 = 0
0 + -1y = 150 + -90
-1y = 150 + -90

Combine like terms: 150 + -90 = 60
-1y = 60

Divide each side by '-1'.
y = -60

Simplifying
y = -60

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