-18+18r=9(2r-2)

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Solution for -18+18r=9(2r-2) equation: 



-18+18r=9(2r-2)

We move all terms to the left:

-18+18r-(9(2r-2))=0



We calculate terms in parentheses: -(9(2r-2)), so:

9(2r-2)

We multiply parentheses

18r-18

Back to the equation:

-(18r-18)



We get rid of parentheses

18r-18r+18-18=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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