-24=-3(r-18)

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Solution for -24=-3(r-18) equation: 



-24=-3(r-18)

We move all terms to the left:

-24-(-3(r-18))=0



We calculate terms in parentheses: -(-3(r-18)), so:

-3(r-18)

We multiply parentheses

-3r+54

Back to the equation:

-(-3r+54)



We get rid of parentheses

3r-54-24=0

We add all the numbers together, and all the variables

3r-78=0

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

3r=78

r=78/3

r=26

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