-57=-3r+27

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Solution for -57=-3r+27 equation: 



-57=-3r+27

We move all terms to the left:

-57-(-3r+27)=0

We get rid of parentheses

3r-27-57=0

We add all the numbers together, and all the variables

3r-84=0

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

3r=84

r=84/3

r=28

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