Simplying an equation to the form 5m + 1

kcon90

New member
Joined
Oct 29, 2010
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4
Hi,

I have a problem where I have this equation, 15qr + 30q + 6r + 12. Where q and r are integers. I need to get it into the form of 5m + 1 where m is an integer, I'm having trouble with how you could possibly do this, but it's what I need to do, if anyone can help i would greaty appreciate it.
 
Disregard this post, i guess the problem in the book was a typo, no wonder it was so impossible.
 
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