83=(21y-1)

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Solution for 83=(21y-1) equation: 



83=(21y-1)

We move all terms to the left:

83-((21y-1))=0



We calculate terms in parentheses: -((21y-1)), so:

(21y-1)

We get rid of parentheses

21y-1

Back to the equation:

-(21y-1)



We get rid of parentheses

-21y+1+83=0

We add all the numbers together, and all the variables

-21y+84=0

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

-21y=-84

y=-84/-21

y=+4

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