3/x-9/4=7/x

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Solution for 3/x-9/4=7/x equation: 


D( x )

x = 0

x = 0

x = 0

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

3/x-(9/4) = 7/x // - 7/x

3/x-(7/x)-(9/4) = 0

3/x-7*x^-1-9/4 = 0

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

x^-1 = -9/16

-1 < 0

1/(x^1) = -9/16 // * x^1

1 = -9/16*x^1 // : -9/16

-16/9 = x^1

x = -16/9

x = -16/9

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