20/x=0.8/0.4

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Solution for 20/x=0.8/0.4 equation: 



20/x=0.8/0.4

We move all terms to the left:

20/x-(0.8/0.4)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

20/x-2=0

We multiply all the terms by the denominator


-2*x+20=0

We add all the numbers together, and all the variables

-2x+20=0

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

-2x=-20

x=-20/-2

x=+10

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