12/42=-4/x

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Solution for 12/42=-4/x equation: 



12/42=-4/x

We move all terms to the left:

12/42-(-4/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

4/x+12/42=0

We calculate fractions

There is no solution for this equation

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