19/r=12/4

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Solution for 19/r=12/4 equation: 



19/r=12/4

We move all terms to the left:

19/r-(12/4)=0



Domain of the equation: r!=0

r∈R



We add all the numbers together, and all the variables

19/r-3=0

We multiply all the terms by the denominator


-3*r+19=0

We add all the numbers together, and all the variables

-3r+19=0

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

-3r=-19

r=-19/-3

r=6+1/3

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