84=7(y+1)

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Solution for 84=7(y+1) equation: 



84=7(y+1)

We move all terms to the left:

84-(7(y+1))=0



We calculate terms in parentheses: -(7(y+1)), so:

7(y+1)

We multiply parentheses

7y+7

Back to the equation:

-(7y+7)



We get rid of parentheses

-7y-7+84=0

We add all the numbers together, and all the variables

-7y+77=0

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

-7y=-77

y=-77/-7

y=+11

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