What is the only integer value of $n$ for which $\frac{n+1}{13-n}$ is a positive prime number?
Question:
What is the only integer value of $n$ for which $\frac{n+1}{13-n}$ is a positive prime number?
Answer:
Let's think step by step.

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What is the only integer value of $n$ for which $\frac{n+1}{13-n}$ is a positive prime number?
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