8y-8=9(y+1)

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


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

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

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

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

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

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

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

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

Combine like terms: 9 + 8 = 17
-1y = 17

Divide each side by '-1'.
y = -17

Simplifying
y = -17

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