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# What is the value of x – y? (1) x + 2y = 6 (2) x = y

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Math Expert
Joined: 02 Sep 2009
Posts: 50627
What is the value of x – y? (1) x + 2y = 6 (2) x = y  [#permalink]

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05 Nov 2017, 00:53
00:00

Difficulty:

15% (low)

Question Stats:

88% (00:40) correct 12% (00:36) wrong based on 35 sessions

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What is the value of x – y?

(1) x + 2y = 6
(2) x = y

_________________
Intern
Joined: 02 Sep 2015
Posts: 37
Location: India
Concentration: General Management, Entrepreneurship
Schools: Sauder 'Dec 18
GPA: 3.79
WE: General Management (Energy and Utilities)
Re: What is the value of x – y? (1) x + 2y = 6 (2) x = y  [#permalink]

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05 Nov 2017, 00:57
St1: clearly not sufficient.
S2 : since x=y, x - y=0. Hence sufficient.

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Manager
Joined: 22 May 2017
Posts: 88
GMAT 1: 580 Q41 V29
GMAT 2: 580 Q43 V27
Re: What is the value of x – y? (1) x + 2y = 6 (2) x = y  [#permalink]

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06 Nov 2017, 08:53
Bunuel wrote:
What is the value of x – y?

(1) x + 2y = 6
(2) x = y

statement 1 is insufficient
statement 2 is sufficient as X-Y= 0

Re: What is the value of x – y? (1) x + 2y = 6 (2) x = y &nbs [#permalink] 06 Nov 2017, 08:53
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