12/7=4r

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Solution for 12/7=4r equation: 



12/7=4r

We move all terms to the left:

12/7-(4r)=0

We multiply all the terms by the denominator


-4r*7+12=0

Wy multiply elements

-28r+12=0

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

-28r=-12

r=-12/-28

r=3/7

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