45=2y+20

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Solution for 45=2y+20 equation: 



45=2y+20

We move all terms to the left:

45-(2y+20)=0

We get rid of parentheses

-2y-20+45=0

We add all the numbers together, and all the variables

-2y+25=0

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

-2y=-25

y=-25/-2

y=12+1/2

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