R=-7(9-6r)

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Solution for R=-7(9-6r) equation: 



=-7(9-6R)

We move all terms to the left:

-(-7(9-6R))=0

We add all the numbers together, and all the variables

-(-7(-6R+9))=0



We calculate terms in parentheses: -(-7(-6R+9)), so:

-7(-6R+9)

We multiply parentheses

42R-63

Back to the equation:

-(42R-63)



We get rid of parentheses

-42R+63=0

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

-42R=-63

R=-63/-42

R=1+1/2

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