27/r=3

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Solution for 27/r=3 equation: 



27/r=3

We move all terms to the left:

27/r-(3)=0



Domain of the equation: r!=0

r∈R



We multiply all the terms by the denominator


-3*r+27=0

We add all the numbers together, and all the variables

-3r+27=0

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

-3r=-27

r=-27/-3

r=+9

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