r,2r+10=7r

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Solution for r,2r+10=7r equation: 



r.2r+10=7r

We move all terms to the left:

r.2r+10-(7r)=0

We add all the numbers together, and all the variables

-7r+r.2r+10=0

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

-7r+r.2r=-10

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