Question: Topic: Proofs (even (2k), odd(2k+1), r = a / b. etc.) Let x, y be integers, one of which is odd, and one of which

Topic: Proofs (even (2k), odd(2k+1), r = a / b. etc.)

Let x, y be integers, one of which is odd, and one of which is even. Show that 7x + 7y is odd.

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