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

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


D( x )

x = 0

x = 0

x = 0

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

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

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

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

-2*x^-1 = 1 // : -2

x^-1 = -1/2

-1 < 0

1/(x^1) = -1/2 // * x^1

1 = -1/2*x^1 // : -1/2

-2 = x^1

x = -2

x = -2

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