-5/4=12/x

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Solution for -5/4=12/x equation: 


D( x )

x = 0

x = 0

x = 0

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

-5/4 = 12/x // - 12/x

-(12/x)-5/4 = 0

-12*x^-1-5/4 = 0

-12*x^-1 = 5/4 // : -12

x^-1 = -5/48

-1 < 0

1/(x^1) = -5/48 // * x^1

1 = -5/48*x^1 // : -5/48

-48/5 = x^1

x = -48/5

x = -48/5

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