-9y+9=-72

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Solution for -9y+9=-72 equation: 


Simplifying
-9y + 9 = -72

Reorder the terms:
9 + -9y = -72

Solving
9 + -9y = -72

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + -9y = -72 + -9

Combine like terms: 9 + -9 = 0
0 + -9y = -72 + -9
-9y = -72 + -9

Combine like terms: -72 + -9 = -81
-9y = -81

Divide each side by '-9'.
y = 9

Simplifying
y = 9

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