9y+9-y=6+7y+7

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Solution for 9y+9-y=6+7y+7 equation: 


Simplifying
9y + 9 + -1y = 6 + 7y + 7

Reorder the terms:
9 + 9y + -1y = 6 + 7y + 7

Combine like terms: 9y + -1y = 8y
9 + 8y = 6 + 7y + 7

Reorder the terms:
9 + 8y = 6 + 7 + 7y

Combine like terms: 6 + 7 = 13
9 + 8y = 13 + 7y

Solving
9 + 8y = 13 + 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.
9 + 8y + -7y = 13 + 7y + -7y

Combine like terms: 8y + -7y = 1y
9 + 1y = 13 + 7y + -7y

Combine like terms: 7y + -7y = 0
9 + 1y = 13 + 0
9 + 1y = 13

Add '-9' to each side of the equation.
9 + -9 + 1y = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 1y = 13 + -9
1y = 13 + -9

Combine like terms: 13 + -9 = 4
1y = 4

Divide each side by '1'.
y = 4

Simplifying
y = 4

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