80/125=1/x

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Solution for 80/125=1/x equation: 


D( x )

x = 0

x = 0

x = 0

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

80/125 = 1/x // - 1/x

80/125-(1/x) = 0

80/125-x^-1 = 0

-1*x^-1 = -16/25 // : -1

x^-1 = 16/25

-1 < 0

1/(x^1) = 16/25 // * x^1

1 = 16/25*x^1 // : 16/25

25/16 = x^1

x = 25/16

x = 25/16

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