Solving Open Sentences Involving Absolute Value

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My Math teacher teaches to fast for my brain. I understand most of the work he teaches but I am confused on how to work open sentence inequality with absolute values. Can anyone help me on this one problem? 7>2n+1>5

Oct 17th, 2013
7 > 2n+1 ==> 6 > 2n ===> n < 3
2n+1 > 5 ==> 2n > 4 ==> n > 2

so 3 > n > 2
Oct 17th, 2013

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Oct 17th, 2013
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Oct 17th, 2013
Dec 8th, 2016
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