-9(y-4)=81

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Solution for -9(y-4)=81 equation: 


Simplifying
-9(y + -4) = 81

Reorder the terms:
-9(-4 + y) = 81
(-4 * -9 + y * -9) = 81
(36 + -9y) = 81

Solving
36 + -9y = 81

Solving for variable 'y'.

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

Add '-36' to each side of the equation.
36 + -36 + -9y = 81 + -36

Combine like terms: 36 + -36 = 0
0 + -9y = 81 + -36
-9y = 81 + -36

Combine like terms: 81 + -36 = 45
-9y = 45

Divide each side by '-9'.
y = -5

Simplifying
y = -5

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