-18=15-3(6r+5)

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Solution for -18=15-3(6r+5) equation: 



-18=15-3(6r+5)

We move all terms to the left:

-18-(15-3(6r+5))=0



We calculate terms in parentheses: -(15-3(6r+5)), so:

15-3(6r+5)

determiningTheFunctionDomain
-3(6r+5)+15

We multiply parentheses

-18r-15+15

We add all the numbers together, and all the variables

-18r

Back to the equation:

-(-18r)



We get rid of parentheses

18r-18=0

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

18r=18

r=18/18

r=1

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