18/x=3+3x/x

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Solution for 18/x=3+3x/x equation: 


D( x )

x = 0

x = 0

x = 0

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

18/x = (3*x)/x+3 // - (3*x)/x+3

18/x-((3*x)/x)-3 = 0

18/x-3-3 = 0

18*x^-1 = 6 // : 18

x^-1 = 1/3

-1 < 0

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

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

3 = x^1

x = 3

x = 3

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