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Guide 4: EVIC: General question on inequalities

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lionelpq
 Post subject: Guide 4: EVIC: General question on inequalities
 Post Posted: Wed Oct 20, 2010 5:56 pm 
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Students


Posts: 5
When we solve equations that have absolute values, when do we need to check our answers (i.e if we get two solutions, when do we need to go back to check these two into the original equation)? Seems this would take too much time in the exam.

Thanks
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mschwrtz
 Post subject: Re: Guide 4: EVIC: General question on inequalities
 Post Posted: Wed Oct 27, 2010 5:52 pm 
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ManhattanGMAT Staff


Posts: 506
I can't top Ron's answer, so here you go:

work-your-abs-t8697.html
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