27+2y-9=9y-12-2y

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Solution for 27+2y-9=9y-12-2y equation: 


Simplifying
27 + 2y + -9 = 9y + -12 + -2y

Reorder the terms:
27 + -9 + 2y = 9y + -12 + -2y

Combine like terms: 27 + -9 = 18
18 + 2y = 9y + -12 + -2y

Reorder the terms:
18 + 2y = -12 + 9y + -2y

Combine like terms: 9y + -2y = 7y
18 + 2y = -12 + 7y

Solving
18 + 2y = -12 + 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.
18 + 2y + -7y = -12 + 7y + -7y

Combine like terms: 2y + -7y = -5y
18 + -5y = -12 + 7y + -7y

Combine like terms: 7y + -7y = 0
18 + -5y = -12 + 0
18 + -5y = -12

Add '-18' to each side of the equation.
18 + -18 + -5y = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -5y = -12 + -18
-5y = -12 + -18

Combine like terms: -12 + -18 = -30
-5y = -30

Divide each side by '-5'.
y = 6

Simplifying
y = 6

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