20/x=5/2

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Solution for 20/x=5/2 equation: 


D( x )

x = 0

x = 0

x = 0

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

20/x = 5/2 // - 5/2

20/x-(5/2) = 0

20/x-5/2 = 0

20*x^-1 = 5/2 // : 20

x^-1 = 1/8

-1 < 0

1/(x^1) = 1/8 // * x^1

1 = 1/8*x^1 // : 1/8

8 = x^1

x = 8

x = 8

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