6r-15=-3(5+7r)

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Solution for 6r-15=-3(5+7r) equation: 



6r-15=-3(5+7r)

We move all terms to the left:

6r-15-(-3(5+7r))=0

We add all the numbers together, and all the variables

6r-(-3(7r+5))-15=0



We calculate terms in parentheses: -(-3(7r+5)), so:

-3(7r+5)

We multiply parentheses

-21r-15

Back to the equation:

-(-21r-15)



We get rid of parentheses

6r+21r+15-15=0

We add all the numbers together, and all the variables

27r=0

r=0/27

r=0

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