7/x=9/11

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Solution for 7/x=9/11 equation: 


D( x )

x = 0

x = 0

x = 0

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

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

7/x-(9/11) = 0

7/x-9/11 = 0

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

x^-1 = 9/77

-1 < 0

1/(x^1) = 9/77 // * x^1

1 = 9/77*x^1 // : 9/77

77/9 = x^1

x = 77/9

x = 77/9

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