18/x=4,5

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Solution for 18/x=4,5 equation: 


D( x )

x = 0

x = 0

x = 0

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

18/x = 4.5 // - 4.5

18/x-4.5 = 0

18*x^-1 = 4.5 // : 18

x^-1 = 0.25

-1 < 0

1/(x^1) = 0.25 // * x^1

1 = 0.25*x^1 // : 0.25

4 = x^1

x = 4

x = 4

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