39+r=6-5(7-7r)

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Solution for 39+r=6-5(7-7r) equation: 



39+r=6-5(7-7r)

We move all terms to the left:

39+r-(6-5(7-7r))=0

We add all the numbers together, and all the variables

r-(6-5(-7r+7))+39=0



We calculate terms in parentheses: -(6-5(-7r+7)), so:

6-5(-7r+7)

determiningTheFunctionDomain
-5(-7r+7)+6

We multiply parentheses

35r-35+6

We add all the numbers together, and all the variables

35r-29

Back to the equation:

-(35r-29)



We get rid of parentheses

r-35r+29+39=0

We add all the numbers together, and all the variables

-34r+68=0

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

-34r=-68

r=-68/-34

r=+2

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