GMATprep PS question

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GMATprep PS question

by mlane25269 » Thu Jun 26, 2008 5:49 pm
Hi!!

Need some advice on this problem...
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by vishubn » Thu Jun 26, 2008 6:53 pm
Hi,

xy+z=xy+xz
xy+z-xy-xz=0
z(1-x)=0
z=0,x=1

cheers

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by mlane25269 » Thu Jun 26, 2008 9:15 pm
ok that makes perfect sense!! thanks!! :-)

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by vishubn » Thu Jun 26, 2008 10:54 pm
Netime

Vishu