-24=7r-r

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Solution for -24=7r-r equation: 



-24=7r-r

We move all terms to the left:

-24-(7r-r)=0

We add all the numbers together, and all the variables

-(+6r)-24=0

We get rid of parentheses

-6r-24=0

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

-6r=24

r=24/-6

r=-4

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