18r+45=9(2r+5)

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Solution for 18r+45=9(2r+5) equation: 



18r+45=9(2r+5)

We move all terms to the left:

18r+45-(9(2r+5))=0



We calculate terms in parentheses: -(9(2r+5)), so:

9(2r+5)

We multiply parentheses

18r+45

Back to the equation:

-(18r+45)



We get rid of parentheses

18r-18r-45+45=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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