30=6(r-84)

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Solution for 30=6(r-84) equation: 



30=6(r-84)

We move all terms to the left:

30-(6(r-84))=0



We calculate terms in parentheses: -(6(r-84)), so:

6(r-84)

We multiply parentheses

6r-504

Back to the equation:

-(6r-504)



We get rid of parentheses

-6r+504+30=0

We add all the numbers together, and all the variables

-6r+534=0

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

-6r=-534

r=-534/-6

r=+89

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