80=20+2y

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Solution for 80=20+2y equation: 



80=20+2y

We move all terms to the left:

80-(20+2y)=0

We add all the numbers together, and all the variables

-(2y+20)+80=0

We get rid of parentheses

-2y-20+80=0

We add all the numbers together, and all the variables

-2y+60=0

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

-2y=-60

y=-60/-2

y=+30

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