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15/20=18/kk=
We move all terms to the left:
15/20-(18/kk)=0
Domain of the equation: kk)!=0We add all the numbers together, and all the variables
k!=0/1
k!=0
k∈R
-(+18/kk)+15/20=0
We get rid of parentheses
-18/kk+15/20=0
We calculate fractions
There is no solution for this equation
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