I'm getting x = 11/3 as well. My workings: (x-3)/(x-1) = (x-4)/(x-5) (x-3)(x-5) ... | Hacker News

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		redcap on July 16, 2009 \| parent \| context \| favorite \| on: X-3/x-1=x-4/x-5 I'm getting x = 11/3 as well. My workings: (x-3)/(x-1) = (x-4)/(x-5) (x-3)(x-5) = (x-4)(x-1) x^2 -8x + 15 = x^2 -5x +4 -8x + 11 = -5x 11 = 3x x = 11/3 FWIW, wolfram alpha agrees with me.

bobbyi on July 16, 2009 | [–]

You changed the equation.

You started with

(x-3)/(x-1) = (x-4)/(x-5)

which is not the same as

x - 3/x - 1 = x - 4/x - 5

, the equation in the submission.

redcap on July 16, 2009 | | [–]

Haha, thanks - I guess the problem is in my parsing :)

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