9(y-1)=27

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Solution for 9(y-1)=27 equation: 


Simplifying
9(y + -1) = 27

Reorder the terms:
9(-1 + y) = 27
(-1 * 9 + y * 9) = 27
(-9 + 9y) = 27

Solving
-9 + 9y = 27

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 = 27 + 9

Combine like terms: -9 + 9 = 0
0 + 9y = 27 + 9
9y = 27 + 9

Combine like terms: 27 + 9 = 36
9y = 36

Divide each side by '9'.
y = 4

Simplifying
y = 4

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