30+10r=1r

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Solution for 30+10r=1r equation: 



30+10r=1r

We move all terms to the left:

30+10r-(1r)=0

We add all the numbers together, and all the variables

9r+30=0

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

9r=-30

r=-30/9

r=-3+1/3

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