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Problem 5, page 43, Number Properties book

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Gregory Cole
 Post subject: Problem 5, page 43, Number Properties book
 Post Posted: Mon Aug 15, 2011 11:00 am 
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Course Students


Posts: 6
When is |4-x| equal to 4-x?

I still don't understand the answer, which is x is less than or equal to 4, and the explanation. Specifically how do you go from |4-x| to -(x-4)=4-x. And then how do you derive the answer from that?

Help!

Thanks!!!!
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george.kourdin
 Post subject: Re: Problem 5, page 43, Number Properties book
 Post Posted: Mon Aug 15, 2011 11:25 pm 
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Course Students


Posts: 98
when-is-x-4-equal-to-4-x-mgmat-properties-page-43-t10686.html

comes with a bonus overview of undergrad and HS level mathematics curriculum
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Gregory Cole
 Post subject: Re: Problem 5, page 43, Number Properties book
 Post Posted: Tue Aug 16, 2011 12:52 am 
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Course Students


Posts: 6
Thanks again George. Interesting dialogue on that link though.
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RonPurewal
 Post subject: Re: Problem 5, page 43, Number Properties book
 Post Posted: Thu Aug 25, 2011 3:32 am 
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ManhattanGMAT Staff


Posts: 7146
hi -- this is not the correct folder for this problem; the manhattangmat strategy guides have a folder of their own. if you still need assistance with this question, please post a new thread in that folder.
thanks.
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