-0.3921=1/x

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Solution for -0.3921=1/x equation: 



-0.3921=1/x

We move all terms to the left:

-0.3921-(1/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+1/x)-0.3921=0

We get rid of parentheses

-1/x-0.3921=0

We multiply all the terms by the denominator


-(0.3921)*x-1=0

We multiply parentheses

-0.3921x-1=0

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

-0.3921x=1

x=1/-0.3921

x=-2+0.2158/0.3921

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