-7-3y=20

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Solution for -7-3y=20 equation: 



-7-3y=20

We move all terms to the left:

-7-3y-(20)=0

We add all the numbers together, and all the variables

-3y-27=0

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

-3y=27

y=27/-3

y=-9

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