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2/7k=1/5
We move all terms to the left:
2/7k-(1/5)=0
Domain of the equation: 7k!=0We add all the numbers together, and all the variables
k!=0/7
k!=0
k∈R
2/7k-(+1/5)=0
We get rid of parentheses
2/7k-1/5=0
We calculate fractions
There is no solution for this equation
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