-3/4=9/x

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Solution for -3/4=9/x equation: 


D( x )

x = 0

x = 0

x = 0

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

-3/4 = 9/x // - 9/x

-(9/x)-3/4 = 0

-9*x^-1-3/4 = 0

-9*x^-1 = 3/4 // : -9

x^-1 = -1/12

-1 < 0

1/(x^1) = -1/12 // * x^1

1 = -1/12*x^1 // : -1/12

-12 = x^1

x = -12

x = -12

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