4/x=72

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Solution for 4/x=72 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x = 72 // - 72

4/x-72 = 0

4*x^-1 = 72 // : 4

x^-1 = 18

-1 < 0

1/(x^1) = 18 // * x^1

1 = 18*x^1 // : 18

1/18 = x^1

x = 1/18

x = 1/18

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