Let $x,$ $y,$ $z$ be real numbers such that $x + y + z = 5$ and $xy + xz + yz = 8.$  Find the largest possible value of $x.$
Question:
Let $x,$ $y,$ $z$ be real numbers such that $x + y + z = 5$ and $xy + xz + yz = 8.$  Find the largest possible value of $x.$
Answer:
Let's think step by step.

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\frac{7}{3}
Let $x,$ $y,$ $z$ be real numbers such that $x + y + z = 5$ and $xy + xz + yz = 8.$  Find the largest possible value of $x.$
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