r-5=3r

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Solution for r-5=3r equation: 



r-5=3r

We move all terms to the left:

r-5-(3r)=0

We add all the numbers together, and all the variables

-2r-5=0

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

-2r=5

r=5/-2

r=-2+1/2

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