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

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


D( x )

x = 0

x = 0

x = 0

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

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

1/x-(2/x)-3+1+1 = 0

1/x-2*x^-1-3+1+1 = 0

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

x^-1 = -1

-1 < 0

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

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

-1 = x^1

x = -1

x = -1

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