12=312/r

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Solution for 12=312/r equation: 



12=312/r

We move all terms to the left:

12-(312/r)=0



Domain of the equation: r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(+312/r)+12=0

We get rid of parentheses

-312/r+12=0

We multiply all the terms by the denominator


12*r-312=0

We add all the numbers together, and all the variables

12r-312=0

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

12r=312

r=312/12

r=26

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