11/77=3/x

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Solution for 11/77=3/x equation: 


D( x )

x = 0

x = 0

x = 0

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

11/77 = 3/x // - 3/x

11/77-(3/x) = 0

11/77-3*x^-1 = 0

-3*x^-1 = -1/7 // : -3

x^-1 = 1/21

-1 < 0

1/(x^1) = 1/21 // * x^1

1 = 1/21*x^1 // : 1/21

21 = x^1

x = 21

x = 21

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