72=0.7r

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Solution for 72=0.7r equation: 



72=0.7r

We move all terms to the left:

72-(0.7r)=0

We add all the numbers together, and all the variables

-(+0.7r)+72=0

We get rid of parentheses

-0.7r+72=0

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

-0.7r=-72

r=-72/-0.7

r=102+0.60000000000001/0.7

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