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2/18=12/r
We move all terms to the left:
2/18-(12/r)=0
Domain of the equation: r)!=0We add all the numbers together, and all the variables
r!=0/1
r!=0
r∈R
-(+12/r)+2/18=0
We get rid of parentheses
-12/r+2/18=0
We calculate fractions
There is no solution for this equation
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