-7y-5=-9(y-1)

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Solution for -7y-5=-9(y-1) equation:


Simplifying
-7y + -5 = -9(y + -1)

Reorder the terms:
-5 + -7y = -9(y + -1)

Reorder the terms:
-5 + -7y = -9(-1 + y)
-5 + -7y = (-1 * -9 + y * -9)
-5 + -7y = (9 + -9y)

Solving
-5 + -7y = 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.
-5 + -7y + 9y = 9 + -9y + 9y

Combine like terms: -7y + 9y = 2y
-5 + 2y = 9 + -9y + 9y

Combine like terms: -9y + 9y = 0
-5 + 2y = 9 + 0
-5 + 2y = 9

Add '5' to each side of the equation.
-5 + 5 + 2y = 9 + 5

Combine like terms: -5 + 5 = 0
0 + 2y = 9 + 5
2y = 9 + 5

Combine like terms: 9 + 5 = 14
2y = 14

Divide each side by '2'.
y = 7

Simplifying
y = 7

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