4/3=12/x

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Solution for 4/3=12/x equation: 


D( x )

x = 0

x = 0

x = 0

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

4/3 = 12/x // - 12/x

4/3-(12/x) = 0

4/3-12*x^-1 = 0

-12*x^-1 = -4/3 // : -12

x^-1 = 1/9

-1 < 0

1/(x^1) = 1/9 // * x^1

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

9 = x^1

x = 9

x = 9

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