12-4=y+y

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Solution for 12-4=y+y equation: 



12-4=y+y

We move all terms to the left:

12-4-(y+y)=0

We add all the numbers together, and all the variables

-(+2y)+12-4=0

We add all the numbers together, and all the variables

-(+2y)+8=0

We get rid of parentheses

-2y+8=0

We move all terms containing y to the left, all other terms to the right

-2y=-8

y=-8/-2

y=+4

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