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Is x=0 (1) x+1>0 (2) x= -x

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Is x=0 (1) x+1>0 (2) x= -x [#permalink] New post 23 Oct 2008, 15:45
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Is x=0

(1) x+1>0
(2) x= -x
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Re: DS [#permalink] New post 23 Oct 2008, 16:19
Is x=0

(1) x+1>0
(2) x= -x

from 1

x> -1.....insuff

frm 2

2x = 0 thus x = 0........suff

B
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Re: DS [#permalink] New post 23 Oct 2008, 19:10
yezz wrote:
Is x=0

(1) x+1>0
(2) x= -x

from 1

x> -1.....insuff

frm 2

2x = 0 thus x = 0........suff

B


yes B :)
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Manager
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Joined: 09 Jul 2008
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Location: Dallas, TX
Schools: McCombs 2011
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Re: DS [#permalink] New post 23 Oct 2008, 21:24
B it is. 0 is the only one that can satisfy x=-x
Re: DS   [#permalink] 23 Oct 2008, 21:24
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