8(y-1)=9y-1

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


Simplifying
8(y + -1) = 9y + -1

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

Reorder the terms:
-8 + 8y = -1 + 9y

Solving
-8 + 8y = -1 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-8 + 8y + -9y = -1 + 9y + -9y

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

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

Add '8' to each side of the equation.
-8 + 8 + -1y = -1 + 8

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

Combine like terms: -1 + 8 = 7
-1y = 7

Divide each side by '-1'.
y = -7

Simplifying
y = -7

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