r-3/3=7

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Solution for r-3/3=7 equation: 



r-3/3=7

We move all terms to the left:

r-3/3-(7)=0

determiningTheFunctionDomain
r-7-3/3=0

We add all the numbers together, and all the variables

r-8=0

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

r=8

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