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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-6(r+7)

We multiply parentheses

-6r-42

Back to the equation:

-(-6r-42)



We get rid of parentheses

-7r+6r+42-39=0

We add all the numbers together, and all the variables

-1r+3=0

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

-r=-3

r=-3/-1

r=+3

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