72=-6(r-3)

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Solution for 72=-6(r-3) equation: 



72=-6(r-3)

We move all terms to the left:

72-(-6(r-3))=0



We calculate terms in parentheses: -(-6(r-3)), so:

-6(r-3)

We multiply parentheses

-6r+18

Back to the equation:

-(-6r+18)



We get rid of parentheses

6r-18+72=0

We add all the numbers together, and all the variables

6r+54=0

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

6r=-54

r=-54/6

r=-9

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