-36=-3(3r+3)

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Solution for -36=-3(3r+3) equation: 



-36=-3(3r+3)

We move all terms to the left:

-36-(-3(3r+3))=0



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

-3(3r+3)

We multiply parentheses

-9r-9

Back to the equation:

-(-9r-9)



We get rid of parentheses

9r+9-36=0

We add all the numbers together, and all the variables

9r-27=0

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

9r=27

r=27/9

r=3

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