24=3(r+7)

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Solution for 24=3(r+7) equation: 



24=3(r+7)

We move all terms to the left:

24-(3(r+7))=0



We calculate terms in parentheses: -(3(r+7)), so:

3(r+7)

We multiply parentheses

3r+21

Back to the equation:

-(3r+21)



We get rid of parentheses

-3r-21+24=0

We add all the numbers together, and all the variables

-3r+3=0

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

-3r=-3

r=-3/-3

r=1

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