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March 1, 2015

March 1, 2015

Posted by **bob** on Thursday, April 25, 2013 at 7:02am.

N=4a+b+4c and 2N=7a+6b+7c for some positive integers a, b and c?

- ALGEBRA!!!! -
**Anonymous**, Friday, April 26, 2013 at 9:09am21

- ALGEBRA!!!! -
**Akhu**, Saturday, April 27, 2013 at 8:56am58

- ALGEBRA!!!! -
**Anirudh Mahapatro**, Sunday, April 28, 2013 at 2:33am58

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