4=(8.4/x)

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Solution for 4=(8.4/x) equation: 



4=(8.4/x)

We move all terms to the left:

4-((8.4/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

-((+8.4/x))+4=0

We multiply all the terms by the denominator


-((+8.4+4*x))=0



We calculate terms in parentheses: -((+8.4+4*x)), so:

(+8.4+4*x)

We add all the numbers together, and all the variables

(4x+8.4)

We get rid of parentheses

4x+8.4

Back to the equation:

-(4x+8.4)



We get rid of parentheses

-4x-8.4=0

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

-4x=8.4

x=8.4/-4

x=-2+0.4/4

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