If $x+|x|+y=7$ and $x+|y|-y=6,$ what is $x+y=?$

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pmFollowed by: 5 members; Thanked: 6 times

by Vincen » Sun Aug 15, 2021 12:40 am

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If $x+|x|+y=7$ and $x+|y|-y=6,$ what is $x+y=?$

A. 1
B. -1
C. 3
D. 5
E. 13

Answer: C

Source: Magoosh

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Source: Beat The GMAT — Problem Solving | Sun Aug 15, 2021 12:40 am

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