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

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


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

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

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

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

Combine like terms: 7y + 8y = 15y
7 + 15y = -9 + -8y + 8y

Combine like terms: -8y + 8y = 0
7 + 15y = -9 + 0
7 + 15y = -9

Add '-7' to each side of the equation.
7 + -7 + 15y = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 15y = -9 + -7
15y = -9 + -7

Combine like terms: -9 + -7 = -16
15y = -16

Divide each side by '15'.
y = -1.066666667

Simplifying
y = -1.066666667

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