-3r-39=-5(3-r)

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Solution for -3r-39=-5(3-r) equation: 



-3r-39=-5(3-r)

We move all terms to the left:

-3r-39-(-5(3-r))=0

We add all the numbers together, and all the variables

-3r-(-5(-1r+3))-39=0



We calculate terms in parentheses: -(-5(-1r+3)), so:

-5(-1r+3)

We multiply parentheses

5r-15

Back to the equation:

-(5r-15)



We get rid of parentheses

-3r-5r+15-39=0

We add all the numbers together, and all the variables

-8r-24=0

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

-8r=24

r=24/-8

r=-3

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