8.4/x=4.2

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Solution for 8.4/x=4.2 equation: 



8.4/x=4.2

We move all terms to the left:

8.4/x-(4.2)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

8.4/x-4.2=0

We multiply all the terms by the denominator


-(4.2)*x+8.4=0

We multiply parentheses

-4.2x+8.4=0

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

-4.2x=-8.4

x=-8.4/-4.2

x=+2

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