9+7y-7=5y+12-3y

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Solution for 9+7y-7=5y+12-3y equation: 


Simplifying
9 + 7y + -7 = 5y + 12 + -3y

Reorder the terms:
9 + -7 + 7y = 5y + 12 + -3y

Combine like terms: 9 + -7 = 2
2 + 7y = 5y + 12 + -3y

Reorder the terms:
2 + 7y = 12 + 5y + -3y

Combine like terms: 5y + -3y = 2y
2 + 7y = 12 + 2y

Solving
2 + 7y = 12 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
2 + 7y + -2y = 12 + 2y + -2y

Combine like terms: 7y + -2y = 5y
2 + 5y = 12 + 2y + -2y

Combine like terms: 2y + -2y = 0
2 + 5y = 12 + 0
2 + 5y = 12

Add '-2' to each side of the equation.
2 + -2 + 5y = 12 + -2

Combine like terms: 2 + -2 = 0
0 + 5y = 12 + -2
5y = 12 + -2

Combine like terms: 12 + -2 = 10
5y = 10

Divide each side by '5'.
y = 2

Simplifying
y = 2

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