-8(y-1)=-7y-9

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Solution for -8(y-1)=-7y-9 equation:


Simplifying
-8(y + -1) = -7y + -9

Reorder the terms:
-8(-1 + y) = -7y + -9
(-1 * -8 + y * -8) = -7y + -9
(8 + -8y) = -7y + -9

Reorder the terms:
8 + -8y = -9 + -7y

Solving
8 + -8y = -9 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
8 + -8y + 7y = -9 + -7y + 7y

Combine like terms: -8y + 7y = -1y
8 + -1y = -9 + -7y + 7y

Combine like terms: -7y + 7y = 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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