-27=1-3/r

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Solution for -27=1-3/r equation: 



-27=1-3/r

We move all terms to the left:

-27-(1-3/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

-(-3/r+1)-27=0

We get rid of parentheses

3/r-1-27=0

We multiply all the terms by the denominator


-1*r-27*r+3=0

We add all the numbers together, and all the variables

-28r+3=0

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

-28r=-3

r=-3/-28

r=3/28

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