3(-8-8r)=-3(1+7r)

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Solution for 3(-8-8r)=-3(1+7r) equation: 



3(-8-8r)=-3(1+7r)

We move all terms to the left:

3(-8-8r)-(-3(1+7r))=0

We add all the numbers together, and all the variables

3(-8r-8)-(-3(7r+1))=0

We multiply parentheses

-24r-(-3(7r+1))-24=0



We calculate terms in parentheses: -(-3(7r+1)), so:

-3(7r+1)

We multiply parentheses

-21r-3

Back to the equation:

-(-21r-3)



We get rid of parentheses

-24r+21r+3-24=0

We add all the numbers together, and all the variables

-3r-21=0

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

-3r=21

r=21/-3

r=-7

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