4/5=-4/7k

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Solution for 4/5=-4/7k equation: 



4/5=-4/7k

We move all terms to the left:

4/5-(-4/7k)=0



Domain of the equation: 7k)!=0

k!=0/1

k!=0

k∈R



We get rid of parentheses

4/7k+4/5=0

We calculate fractions

There is no solution for this equation

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