1. **State the problem:** Evaluate the expression $x + 5$ when $x = 12$.
2. **Write the expression:** The expression is $x + 5$.
3. **Substitute the value:** Replace $x$ with 12 in the expression:
$$12 + 5$$
4. **Calculate the sum:**
$$12 + 5 = 17$$
5. **Final answer:** When $x = 12$, the value of $x + 5$ is $17$.
Evaluate Expression D97B47
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