number prop

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number prop

by beater » Fri Sep 05, 2008 11:47 am
If k and n are integers, is n divisible by 7?

1. n - 3 = 2k
2. 2k - 4 is divisible by 7

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by mals24 » Fri Sep 05, 2008 12:17 pm
This question has been solved before check the following link

https://www.beatthegmat.com/og-qr-questi ... 14428.html