((1)/(4x))-(2/x)=3

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Solution for ((1)/(4x))-(2/x)=3 equation: 


D( x )

x = 0

4*x = 0

x = 0

x = 0

4*x = 0

4*x = 0

4*x = 0 // : 4

x = 0

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

1/(4*x)-(2/x) = 3 // - 3

1/(4*x)-(2/x)-3 = 0

1/(4*x)-2*x^-1-3 = 0

-7/4*x^-1 = 3 // : -7/4

x^-1 = -12/7

-1 < 0

1/(x^1) = -12/7 // * x^1

1 = -12/7*x^1 // : -12/7

-7/12 = x^1

x = -7/12

x = -7/12

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