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