7(y+1)=8y-8

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Solution for 7(y+1)=8y-8 equation:


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

Reorder the terms:
7(1 + y) = 8y + -8
(1 * 7 + y * 7) = 8y + -8
(7 + 7y) = 8y + -8

Reorder the terms:
7 + 7y = -8 + 8y

Solving
7 + 7y = -8 + 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.
7 + 7y + -8y = -8 + 8y + -8y

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

Combine like terms: 8y + -8y = 0
7 + -1y = -8 + 0
7 + -1y = -8

Add '-7' to each side of the equation.
7 + -7 + -1y = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -1y = -8 + -7
-1y = -8 + -7

Combine like terms: -8 + -7 = -15
-1y = -15

Divide each side by '-1'.
y = 15

Simplifying
y = 15

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