y-81=-12

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Solution for y-81=-12 equation: 


Simplifying
y + -81 = -12

Reorder the terms:
-81 + y = -12

Solving
-81 + y = -12

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 + y = -12 + 81

Combine like terms: -81 + 81 = 0
0 + y = -12 + 81
y = -12 + 81

Combine like terms: -12 + 81 = 69
y = 69

Simplifying
y = 69

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