18/(3-r)=18

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Solution for 18/(3-r)=18 equation: 



18/(3-r)=18

We move all terms to the left:

18/(3-r)-(18)=0



Domain of the equation: (3-r)!=0

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

-r!=-3

r!=-3/-1

r!=+3

r∈R



We add all the numbers together, and all the variables

18/(-1r+3)-18=0

We multiply all the terms by the denominator


-18*(-1r+3)+18=0

We multiply parentheses

18r-54+18=0

We add all the numbers together, and all the variables

18r-36=0

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

18r=36

r=36/18

r=2

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