4.2/x=5

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Solution for 4.2/x=5 equation: 



4.2/x=5

We move all terms to the left:

4.2/x-(5)=0



Domain of the equation: x!=0

x∈R



We multiply all the terms by the denominator


-5*x+4.2=0

We add all the numbers together, and all the variables

-5x+4.2=0

We move all terms containing x to the left, all other terms to the right

-5x=-4.2

x=-4.2/-5

x=3.5/4.1666666666667

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