9(y-1)=8y

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Solution for 9(y-1)=8y equation:


Simplifying
9(y + -1) = 8y

Reorder the terms:
9(-1 + y) = 8y
(-1 * 9 + y * 9) = 8y
(-9 + 9y) = 8y

Solving
-9 + 9y = 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-9 + 9y + -8y = 8y + -8y

Combine like terms: 9y + -8y = 1y
-9 + 1y = 8y + -8y

Combine like terms: 8y + -8y = 0
-9 + 1y = 0

Add '9' to each side of the equation.
-9 + 9 + 1y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 1y = 0 + 9
1y = 0 + 9

Combine like terms: 0 + 9 = 9
1y = 9

Divide each side by '1'.
y = 9

Simplifying
y = 9

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