20/5=50/x

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Solution for 20/5=50/x equation: 


D( x )

x = 0

x = 0

x = 0

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

20/5 = 50/x // - 50/x

20/5-(50/x) = 0

20/5-50*x^-1 = 0

-50*x^-1 = -4 // : -50

x^-1 = 2/25

-1 < 0

1/(x^1) = 2/25 // * x^1

1 = 2/25*x^1 // : 2/25

25/2 = x^1

x = 25/2

x = 25/2

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