11/7=9/x

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Solution for 11/7=9/x equation: 


D( x )

x = 0

x = 0

x = 0

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

11/7 = 9/x // - 9/x

11/7-(9/x) = 0

11/7-9*x^-1 = 0

-9*x^-1 = -11/7 // : -9

x^-1 = 11/63

-1 < 0

1/(x^1) = 11/63 // * x^1

1 = 11/63*x^1 // : 11/63

63/11 = x^1

x = 63/11

x = 63/11

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