4-12=20+2y

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Solution for 4-12=20+2y equation: 



4-12=20+2y

We move all terms to the left:

4-12-(20+2y)=0

We add all the numbers together, and all the variables

-(2y+20)+4-12=0

We add all the numbers together, and all the variables

-(2y+20)-8=0

We get rid of parentheses

-2y-20-8=0

We add all the numbers together, and all the variables

-2y-28=0

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

-2y=28

y=28/-2

y=-14

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