4.2/x=2.1

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Solution for 4.2/x=2.1 equation: 



4.2/x=2.1

We move all terms to the left:

4.2/x-(2.1)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

4.2/x-2.1=0

We multiply all the terms by the denominator


-(2.1)*x+4.2=0

We multiply parentheses

-2.1x+4.2=0

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

-2.1x=-4.2

x=-4.2/-2.1

x=+2

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