9y+9-7y=5+y-7

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Solution for 9y+9-7y=5+y-7 equation:


Simplifying
9y + 9 + -7y = 5 + y + -7

Reorder the terms:
9 + 9y + -7y = 5 + y + -7

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

Reorder the terms:
9 + 2y = 5 + -7 + y

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

Solving
9 + 2y = -2 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
9 + 2y + -1y = -2 + y + -1y

Combine like terms: 2y + -1y = 1y
9 + 1y = -2 + y + -1y

Combine like terms: y + -1y = 0
9 + 1y = -2 + 0
9 + 1y = -2

Add '-9' to each side of the equation.
9 + -9 + 1y = -2 + -9

Combine like terms: 9 + -9 = 0
0 + 1y = -2 + -9
1y = -2 + -9

Combine like terms: -2 + -9 = -11
1y = -11

Divide each side by '1'.
y = -11

Simplifying
y = -11

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