63=-7(r-3)-7(4-6r)

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Solution for 63=-7(r-3)-7(4-6r) equation: 



63=-7(r-3)-7(4-6r)

We move all terms to the left:

63-(-7(r-3)-7(4-6r))=0

We add all the numbers together, and all the variables

-(-7(r-3)-7(-6r+4))+63=0



We calculate terms in parentheses: -(-7(r-3)-7(-6r+4)), so:

-7(r-3)-7(-6r+4)

We multiply parentheses

-7r+42r+21-28

We add all the numbers together, and all the variables

35r-7

Back to the equation:

-(35r-7)



We get rid of parentheses

-35r+7+63=0

We add all the numbers together, and all the variables

-35r+70=0

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

-35r=-70

r=-70/-35

r=+2

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