anonymous
  • anonymous
Solve: 1/y = 2/y-1/5 the solution is ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
i got 5?????? is that right?????
anonymous
  • anonymous
Yes.
anonymous
  • anonymous
y=-5/2
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anonymous
  • anonymous
You're incorrect, the inversion step is wrong:\[1/y=2/y-1/5\neq>y= y/2-5\]
anonymous
  • anonymous
\[{1 \over y}={2 \over y-{1 \over 5}} \implies y-{1 \over 5}=2y \implies y=-{1 \over 5}\]
anonymous
  • anonymous
I don't think that's the equation. From what she put, it should be:\[1/y=2/y-1/5\]Not:\[\frac{1}{y}=\frac{2}{y-1/5}\]
anonymous
  • anonymous
You're right. But I am pretty sure she meant what I wrote, because she did the same thing in another post.
anonymous
  • anonymous
Oh ok, it's just that the solution to the one I wrote is 5 so I thought it was probably that.
anonymous
  • anonymous
Well, she got two solutions. It's her job now to pick the one that answers her question :)

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