-3(1-3r)=-6-3(7+r)

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Solution for -3(1-3r)=-6-3(7+r) equation: 



-3(1-3r)=-6-3(7+r)

We move all terms to the left:

-3(1-3r)-(-6-3(7+r))=0

We add all the numbers together, and all the variables

-3(-3r+1)-(-6-3(r+7))=0

We multiply parentheses

9r-(-6-3(r+7))-3=0



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

-6-3(r+7)

determiningTheFunctionDomain
-3(r+7)-6

We multiply parentheses

-3r-21-6

We add all the numbers together, and all the variables

-3r-27

Back to the equation:

-(-3r-27)



We get rid of parentheses

9r+3r+27-3=0

We add all the numbers together, and all the variables

12r+24=0

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

12r=-24

r=-24/12

r=-2

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