12-2/x=9

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Solution for 12-2/x=9 equation: 


D( x )

x = 0

x = 0

x = 0

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

12-(2/x) = 9 // - 9

12-(2/x)-9 = 0

12-2*x^-1-9 = 0

-2*x^-1 = -3 // : -2

x^-1 = 3/2

-1 < 0

1/(x^1) = 3/2 // * x^1

1 = 3/2*x^1 // : 3/2

2/3 = x^1

x = 2/3

x = 2/3

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