Hi. Please help me with those problems?

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udkana: Newbie | Next Rank: 10 Posts; Posts: 1; Joined: Thu Apr 09, 2009 8:37 pm

by udkana » Thu Apr 09, 2009 8:46 pm

1. I do not understand this answer
If xy+z=x(y+z), which of the following must be true?
Answer is : x=1, z=0

Source: Beat The GMAT — Problem Solving | Thu Apr 09, 2009 8:46 pm

kapsii: Senior | Next Rank: 100 Posts; Posts: 38; Joined: Thu Feb 05, 2009 8:43 am; Thanked: 5 times

by kapsii » Thu Apr 09, 2009 10:38 pm

Hi,
This is already answered in the PS section...

Here is the link:
https://www.beatthegmat.com/must-be-true-t34425.html

Cheers,
Dubes

GmatGreen: Senior | Next Rank: 100 Posts; Posts: 85; Joined: Tue Mar 31, 2009 10:58 am

by GmatGreen » Fri Apr 17, 2009 8:11 pm

Thanks for the link kapsii

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