If x + y= 3 and y + z= 6, then x – z = ? A. 9 B. -6 C. -3 D. 1 0 0 votes Article Rating Subscribe Login Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline Feedbacks View all comments