For integers \(x\) and \(y,\) is \(x + y\) even?

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by VJesus12 » Thu Jun 04, 2020 7:27 am

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For integers \(x\) and \(y,\) is \(x + y\) even?

(1) \(x^2 − y^2\) is even

(2) \(x − y\) is even

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Source: Beat The GMAT — Data Sufficiency | Thu Jun 04, 2020 7:27 am

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