81-y=169

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Solution for 81-y=169 equation: 


Simplifying
81 + -1y = 169

Solving
81 + -1y = 169

Solving for variable 'y'.

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

Add '-81' to each side of the equation.
81 + -81 + -1y = 169 + -81

Combine like terms: 81 + -81 = 0
0 + -1y = 169 + -81
-1y = 169 + -81

Combine like terms: 169 + -81 = 88
-1y = 88

Divide each side by '-1'.
y = -88

Simplifying
y = -88

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