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Rearranging Formulae

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how do i make y the subject of the equation the its : x=y-1/y ???

Guest Feb 18, 2017
#1
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Y = 1 / (1 - X)

Guest Feb 18, 2017
#2
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If the equation is x = (y - 1)/y then Guest #1 is correct.

If it is  x = y - 1/y  then it is quadratic in y and we have:   $$y = \frac{x\pm \sqrt{x^2+4}}{2}$$

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Alan  Feb 18, 2017