Question

solve for x
3/x-1 + 1/x+1 = 4/x
​

Answer 1

Answer:

-2

Step-by-step explanation:

3/x-1 + 1/x+1 =4/x

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

3x+ 3 +x -1 /x^2 -1 =4/x

4x +2 / x^2-1 = 4/x

x( 4x + 2) =4( x^2 -1)

4x^2 +2x =4x^2 -4

2x = -4

x = -2