66=-3(-2r-6)-6(r-8)

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Solution for 66=-3(-2r-6)-6(r-8) equation: 



66=-3(-2r-6)-6(r-8)

We move all terms to the left:

66-(-3(-2r-6)-6(r-8))=0



We calculate terms in parentheses: -(-3(-2r-6)-6(r-8)), so:

-3(-2r-6)-6(r-8)

We multiply parentheses

6r-6r+18+48

We add all the numbers together, and all the variables

66

Back to the equation:

-(66)



We add all the numbers together, and all the variables

=0

r=0/1

r=0

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