5+7=2y+y

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Solution for 5+7=2y+y equation: 



5+7=2y+y

We move all terms to the left:

5+7-(2y+y)=0

We add all the numbers together, and all the variables

-(+3y)+5+7=0

We add all the numbers together, and all the variables

-(+3y)+12=0

We get rid of parentheses

-3y+12=0

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

-3y=-12

y=-12/-3

y=+4

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