X/5=20/x

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Solution for X/5=20/x equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

X/5 = 20/x // - 20/x

X/5-(20/x) = 0

X/5-20*x^-1 = 0

-20*x^-1 = -(1/5*X) // : -20

x^-1 = 1/100*X

-1 < 0

1/(x^1) = 1/100*X // * x^1

1 = 1/100*X*x^1 // : 1/100*X

100*X^-1 = x^1

x = 100*X^-1

x = 100*X^-1

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