-7y+4=3y+84

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Solution for -7y+4=3y+84 equation: 



-7y+4=3y+84

We move all terms to the left:

-7y+4-(3y+84)=0

We get rid of parentheses

-7y-3y-84+4=0

We add all the numbers together, and all the variables

-10y-80=0

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

-10y=80

y=80/-10

y=-8

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