400/x=40

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Solution for 400/x=40 equation: 



400/x=40

We move all terms to the left:

400/x-(40)=0



Domain of the equation: x!=0

x∈R



We multiply all the terms by the denominator


-40*x+400=0

We add all the numbers together, and all the variables

-40x+400=0

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

-40x=-400

x=-400/-40

x=+10

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