-56=-12+3r

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Solution for -56=-12+3r equation: 



-56=-12+3r

We move all terms to the left:

-56-(-12+3r)=0

We add all the numbers together, and all the variables

-(3r-12)-56=0

We get rid of parentheses

-3r+12-56=0

We add all the numbers together, and all the variables

-3r-44=0

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

-3r=44

r=44/-3

r=-14+2/3

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