(30)=14/x

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Solution for (30)=14/x equation: 


D( x )

x = 0

x = 0

x = 0

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

30 = 14/x // - 14/x

30-(14/x) = 0

30-14*x^-1 = 0

-14*x^-1 = -30 // : -14

x^-1 = 15/7

-1 < 0

1/(x^1) = 15/7 // * x^1

1 = 15/7*x^1 // : 15/7

7/15 = x^1

x = 7/15

x = 7/15

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