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Proof and Reasoning

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Problem Bank

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Proof and Reasoning

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Problem Bank

[Maximum mark: 4]

Prove that if x is even and y is odd, then 5x−7y is odd.

[4]

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[Maximum mark: 4]

Prove that if x is even and y is odd, then 5x−7y is odd.

[4]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!