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# If 2x – 4y = 13, what is the value of x?

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Math Expert
Joined: 02 Sep 2009
Posts: 52345
If 2x – 4y = 13, what is the value of x?  [#permalink]

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04 Apr 2017, 03:40
00:00

Difficulty:

25% (medium)

Question Stats:

87% (01:02) correct 13% (01:08) wrong based on 31 sessions

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If 2x – 4y = 13, what is the value of x?

(1) x is a positive integer
(2) 5y = 3x

_________________
Current Student
Joined: 27 May 2014
Posts: 524
GMAT 1: 730 Q49 V41
Re: If 2x – 4y = 13, what is the value of x?  [#permalink]

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04 Apr 2017, 03:51
Equation: 2x – 4y = 13

(1) x is a positive integer. Not enough information. Insufficient.

(2) 5y = 3x; One can substitute y with x in the equation and can get x. Sufficient.

_________________
Intern
Joined: 29 Jan 2017
Posts: 2
GMAT 1: 600 Q47 V27
Re: If 2x – 4y = 13, what is the value of x?  [#permalink]

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04 Apr 2017, 03:58
y=(3*x)/5
=> 2x-4*(3*x)/5=13
=> 10x-12x=65
=> -2x=65
=> x=-65/2

Hence, B is correct.

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Director
Joined: 27 May 2012
Posts: 668
If 2x – 4y = 13, what is the value of x?  [#permalink]

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14 May 2018, 01:03
1
Bunuel wrote:
If 2x – 4y = 13, what is the value of x?

(1) x is a positive integer
(2) 5y = 3x

Sorry Bunuel,

But here both the statements seem to contradict each other . According to statement 1, X should be a positive integer.
However statement 2 , seems to say something different.

X should be a positive integer according to both the statements .

Please correct me , if I am missing anything.
_________________

- Stne

Math Expert
Joined: 02 Sep 2009
Posts: 52345
Re: If 2x – 4y = 13, what is the value of x?  [#permalink]

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14 May 2018, 01:11
stne wrote:
Bunuel wrote:
If 2x – 4y = 13, what is the value of x?

(1) x is a positive integer
(2) 5y = 3x

Sorry Bunuel,

But here both the statements seem to contradict each other . According to statement 1, X should be a positive integer.
However statement 2 , seems to say something different.

X should be a positive integer according to both the statements .

Please correct me , if I am missing anything.

You are right. Archiving the question.
_________________
Re: If 2x – 4y = 13, what is the value of x? &nbs [#permalink] 14 May 2018, 01:11
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