72=-6(r-7)

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Solution for 72=-6(r-7) equation: 



72=-6(r-7)

We move all terms to the left:

72-(-6(r-7))=0



We calculate terms in parentheses: -(-6(r-7)), so:

-6(r-7)

We multiply parentheses

-6r+42

Back to the equation:

-(-6r+42)



We get rid of parentheses

6r-42+72=0

We add all the numbers together, and all the variables

6r+30=0

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

6r=-30

r=-30/6

r=-5

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