1/3/2/9=18/x

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Solution for 1/3/2/9=18/x equation: 


D( x )

x = 0

x = 0

x = 0

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

((1/3)/2)/9 = 18/x // - 18/x

((1/3)/2)/9-(18/x) = 0

((1/3)/2)/9-18*x^-1 = 0

-18*x^-1 = -1/54 // : -18

x^-1 = 1/972

-1 < 0

1/(x^1) = 1/972 // * x^1

1 = 1/972*x^1 // : 1/972

972 = x^1

x = 972

x = 972

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