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# If x is an integer, what is the value of x? (1) 2(x + 5)

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Manager
Joined: 22 Jul 2009
Posts: 143
Location: Manchester UK
If x is an integer, what is the value of x? (1) 2(x + 5)  [#permalink]

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04 Dec 2009, 12:25
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Difficulty:

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Question Stats:

60% (00:29) correct 40% (00:45) wrong based on 4 sessions

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If x is an integer, what is the value of x?
(1) –2(x + 5) 9

please can anyone explain? i will post the OA later

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Manager
Joined: 25 Aug 2009
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Location: Streamwood IL
Schools: Kellogg(Evening),Booth (Evening)
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Re: If x is an integer, what is the value of x  [#permalink]

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04 Dec 2009, 12:53
Evaluating statement 1
–2(x + 5) < -1
multiply by -1 on both sides and reverse the sign
2(x+5)>1
x+5>1/2
x>-9/2 Not Sufficient

Evaluating statement 2
– 3x > 9
x<-3 Not Sufficient

using both statements -9/2<x<-3
Since we know x is an integer, the only possible value can be -4.
Hence answer is C.
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Manager
Joined: 22 Jul 2009
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Re: If x is an integer, what is the value of x  [#permalink]

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04 Dec 2009, 14:34
thts better...thanks....
Senior Manager
Joined: 04 Dec 2009
Posts: 374
WE: Consulting (Consulting)
Re: If x is an integer, what is the value of x  [#permalink]

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05 Dec 2009, 05:31
I have a very silly question about "value" problems.

If the question includes only variables, with no real numbers attached, surely there is no "trick question" attached (finding a number to go with the variable). I'm guessing it is just asking for the simplest definition of a variable (ie no fractions between variables etc). Is this correct?
Manager
Joined: 25 Aug 2009
Posts: 128
Location: Streamwood IL
Schools: Kellogg(Evening),Booth (Evening)
WE 1: 5 Years
Re: If x is an integer, what is the value of x  [#permalink]

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05 Dec 2009, 08:30
I don't understand your question.

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Re: If x is an integer, what is the value of x? (1) 2(x + 5)  [#permalink]

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17 Oct 2018, 11:49
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Re: If x is an integer, what is the value of x? (1) 2(x + 5)   [#permalink] 17 Oct 2018, 11:49
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# If x is an integer, what is the value of x? (1) 2(x + 5)

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