R=7(b-1)

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Solution for R=7(b-1) equation: 



=7(R-1)

We move all terms to the left:

-(7(R-1))=0



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

7(R-1)

We multiply parentheses

7R-7

Back to the equation:

-(7R-7)



We get rid of parentheses

-7R+7=0

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

-7R=-7

R=-7/-7

R=1

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