12+y=20+2y

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Solution for 12+y=20+2y equation: 


Simplifying
12 + y = 20 + 2y

Solving
12 + y = 20 + 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.
12 + y + -2y = 20 + 2y + -2y

Combine like terms: y + -2y = -1y
12 + -1y = 20 + 2y + -2y

Combine like terms: 2y + -2y = 0
12 + -1y = 20 + 0
12 + -1y = 20

Add '-12' to each side of the equation.
12 + -12 + -1y = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -1y = 20 + -12
-1y = 20 + -12

Combine like terms: 20 + -12 = 8
-1y = 8

Divide each side by '-1'.
y = -8

Simplifying
y = -8

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