-20=4-8y

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Solution for -20=4-8y equation: 



-20=4-8y

We move all terms to the left:

-20-(4-8y)=0

We add all the numbers together, and all the variables

-(-8y+4)-20=0

We get rid of parentheses

8y-4-20=0

We add all the numbers together, and all the variables

8y-24=0

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

8y=24

y=24/8

y=3

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