-28=4y+3(y+7)

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Solution for -28=4y+3(y+7) equation: 



-28=4y+3(y+7)

We move all terms to the left:

-28-(4y+3(y+7))=0



We calculate terms in parentheses: -(4y+3(y+7)), so:

4y+3(y+7)

We multiply parentheses

4y+3y+21

We add all the numbers together, and all the variables

7y+21

Back to the equation:

-(7y+21)



We get rid of parentheses

-7y-21-28=0

We add all the numbers together, and all the variables

-7y-49=0

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

-7y=49

y=49/-7

y=-7

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