February 22, 2017

Homework Help: Discrete Math

Posted by Samantha on Saturday, December 4, 2010 at 3:21pm.

Let a, b, c, and d be integers, and let n be a positive integer. Prove that if a is congruent to c mod n and b is congruent to d mod n, then (a-b) is congruent to (c-d) mod n

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