9/x=4/12

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Solution for 9/x=4/12 equation: 


D( x )

x = 0

x = 0

x = 0

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

9/x = 4/12 // - 4/12

9/x-(4/12) = 0

9/x-1/3 = 0

9*x^-1 = 1/3 // : 9

x^-1 = 1/27

-1 < 0

1/(x^1) = 1/27 // * x^1

1 = 1/27*x^1 // : 1/27

27 = x^1

x = 27

x = 27

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