-3y-20=7y

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Solution for -3y-20=7y equation: 



-3y-20=7y

We move all terms to the left:

-3y-20-(7y)=0

We add all the numbers together, and all the variables

-10y-20=0

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

-10y=20

y=20/-10

y=-2

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