224=3.2r

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Solution for 224=3.2r equation: 



224=3.2r

We move all terms to the left:

224-(3.2r)=0

We add all the numbers together, and all the variables

-(+3.2r)+224=0

We get rid of parentheses

-3.2r+224=0

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

-3.2r=-224

r=-224/-3.2

r=+70

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