20=2y+4

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Solution for 20=2y+4 equation: 



20=2y+4

We move all terms to the left:

20-(2y+4)=0

We get rid of parentheses

-2y-4+20=0

We add all the numbers together, and all the variables

-2y+16=0

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

-2y=-16

y=-16/-2

y=+8

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