15/21=11,68/x

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Solution for 15/21=11,68/x equation: 


D( x )

x = 0

x = 0

x = 0

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

15/21 = 11.68/x // - 11.68/x

15/21-(11.68/x) = 0

15/21-11.68*x^-1 = 0

-11.68*x^-1 = -5/7 // : -11.68

x^-1 = 0.0611546

-1 < 0

1/(x^1) = 0.0611546 // * x^1

1 = 0.0611546*x^1 // : 0.0611546

16.35199969 = x^1

x = 16.35199969

x = 16.35199969

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