49=7r,r

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Solution for 49=7r,r equation: 



49=7r.r

We move all terms to the left:

49-(7r.r)=0

We add all the numbers together, and all the variables

-(+7r.r)+49=0

We get rid of parentheses

-7r.r+49=0

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

-7r.r=-49

r=-49/1

r=-49

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