X/3-9/x=2

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Solution for X/3-9/x=2 equation: 


D( x )

x = 0

x = 0

x = 0

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

X/3-(9/x) = 2 // - 2

X/3-(9/x)-2 = 0

X/3-9*x^-1-2 = 0

-9*x^-1 = -(1/3*X-2) // : -9

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

-1 < 0

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

1 = x^1*((2-(1/3*X))/(-9)) // : (2-(1/3*X))/(-9)

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

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

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

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