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

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Solution for (x+1)/(x-1)+2=0 equation: 


D( x )

x-1 = 0

x-1 = 0

x-1 = 0

x-1 = 0 // + 1

x = 1

x in (-oo:1) U (1:+oo)

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

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

2*(x-1)+x+1 = 0

3*x-1 = 0

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

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

3*x-1 = 0

3*x-1 = 0 // + 1

3*x = 1 // : 3

x = 1/3

x = 1/3

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