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

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Expert Post
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 42559

Kudos [?]: 135331 [0], given: 12687

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

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New post 05 Nov 2017, 01:53
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

90% (00:26) correct 10% (00:09) wrong based on 21 sessions

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Kudos [?]: 135331 [0], given: 12687

Intern
Intern
User avatar
S
Joined: 02 Sep 2015
Posts: 37

Kudos [?]: 29 [0], given: 21

Location: India
Concentration: General Management, Entrepreneurship
Schools: Sauder 'Dec 18
GPA: 3.79
WE: General Management (Energy and Utilities)
GMAT ToolKit User
Re: What is the value of x – y? (1) x + 2y = 6 (2) x = y [#permalink]

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New post 05 Nov 2017, 01:57
St1: clearly not sufficient.
S2 : since x=y, x - y=0. Hence sufficient.
Answer =B

Sent from my 2014818 using GMAT Club Forum mobile app

Kudos [?]: 29 [0], given: 21

Manager
Manager
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B
Joined: 22 May 2017
Posts: 90

Kudos [?]: 7 [0], given: 222

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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New post 06 Nov 2017, 09:53
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

Answer option B

Kudos [?]: 7 [0], given: 222

Re: What is the value of x – y? (1) x + 2y = 6 (2) x = y   [#permalink] 06 Nov 2017, 09:53
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What is the value of x – y? (1) x + 2y = 6 (2) x = y

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