.4/x=20

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Solution for .4/x=20 equation: 



.4/x=20

We move all terms to the left:

.4/x-(20)=0



Domain of the equation: x!=0

x∈R



We multiply all the terms by the denominator


-20*x+.4=0

We add all the numbers together, and all the variables

-20x+0.4=0

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

-20x=-0.4

x=-0.4/-20

x=0.4/20

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