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November 29, 2014

November 29, 2014

Posted by **landry** on Thursday, March 21, 2013 at 12:23am.

i solved and got x < -2

but this is not right once you plug it in. please help.

- inequality- why is this wrong? -
**black_widow**, Thursday, March 21, 2013 at 2:41amit should be x>-3

- inequality- why is this wrong? -
**Steve**, Thursday, March 21, 2013 at 12:27pmNot so. If x=-5/2, y=11/3 < 5

(x-3)/(x+1) > 5

if x > -1,

x-3 > 5(x+1)

x-3 > 5x+5

-8 > 4x

x < -2

but, we assumed x > -1, so that's a no-go

If x < -1,

x-3 < 5(x+1)

x-3 < 5x+5

-8 < 4x

x > -2

So, we have -2 < x < -1

- inequality- why is this wrong? -
**black_widow**, Friday, March 22, 2013 at 8:52amopps sorry made some calculation mistakes....

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