12=2/5r

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Solution for 12=2/5r equation: 



12=2/5r

We move all terms to the left:

12-(2/5r)=0



Domain of the equation: 5r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(+2/5r)+12=0

We get rid of parentheses

-2/5r+12=0

We multiply all the terms by the denominator


12*5r-2=0

Wy multiply elements

60r-2=0

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

60r=2

r=2/60

r=1/30

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