9(y-9)=-9

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Solution for 9(y-9)=-9 equation: 


Simplifying
9(y + -9) = -9

Reorder the terms:
9(-9 + y) = -9
(-9 * 9 + y * 9) = -9
(-81 + 9y) = -9

Solving
-81 + 9y = -9

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 + 9y = -9 + 81

Combine like terms: -81 + 81 = 0
0 + 9y = -9 + 81
9y = -9 + 81

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

Divide each side by '9'.
y = 8

Simplifying
y = 8

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