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Re: what are all the integer numbers n so that 500|7-11n ?

Subject: Re: what are all the integer numbers n so that 500|7-11n ?
From: Dave Seaman
Date: Tue, 31 Oct 2006 13:23:43 +0000 UTC
Newsgroups: sci.math
On 31 Oct 2006 05:01:36 -0800, Amateur wrote:

> polymedes wrote:
>> I need some help on this. I'd like some advice on how to think to solve
>> it
>>
>> Thanks

> If  7-11n=500k  ---->  7-500k=11n,  so you are looking for the integer
> numbers of the form (7-500k) / 11.                k=integer number.

Which can be rewritten as 7-11n = 500k, or 11n == 7 (mod 500), where "=="
in this context means "congruence" (normally denoted by three horizontal
lines).


-- 
Dave Seaman
U.S. Court of Appeals to review three issues 
concerning case of Mumia Abu-Jamal.
<http://www.mumia2000.org/>

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