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smallsorrow
- Master | Next Rank: 500 Posts
- Posts: 109
- Joined: Mon Sep 08, 2008 12:47 am
If xy+z=x(y+z), which of the following must be true:
A)x=0; Z=0
B)x=1; y=1
C)y=1;z=0
D)x=1; z=0
E)x=1;z=1
OA follows
A)x=0; Z=0
B)x=1; y=1
C)y=1;z=0
D)x=1; z=0
E)x=1;z=1
OA follows
