18=-6(r-5)

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



18=-6(r-5)

We move all terms to the left:

18-(-6(r-5))=0



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

-6(r-5)

We multiply parentheses

-6r+30

Back to the equation:

-(-6r+30)



We get rid of parentheses

6r-30+18=0

We add all the numbers together, and all the variables

6r-12=0

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

6r=12

r=12/6

r=2

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