r/2=82

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Solution for r/2=82 equation: 



r/2=82

We move all terms to the left:

r/2-(82)=0

We multiply all the terms by the denominator


r-82*2=0

We add all the numbers together, and all the variables

r-164=0

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

r=164

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