If \(x, y,\) and \(z\) are integers, is \(x + y + 2z\) even?

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by VJesus12 » Tue Aug 17, 2021 7:45 am

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If \(x, y,\) and \(z\) are integers, is \(x + y + 2z\) even?

(1) \(x + z\) is even.

(2) \(y + z\) is even.

Answer: C

Source: GMAT Prep

Source: Beat The GMAT — Data Sufficiency | Tue Aug 17, 2021 7:45 am

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