(4/x)-(3/20)

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Solution for (4/x)-(3/20) equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x-(3/20) = 0

4/x-3/20 = 0

4*x^-1 = 3/20 // : 4

x^-1 = 3/80

-1 < 0

1/(x^1) = 3/80 // * x^1

1 = 3/80*x^1 // : 3/80

80/3 = x^1

x = 80/3

x = 80/3

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