1. **State the problem:** Simplify the expression $x - 13 \_ 20$.
2. **Identify the operation:** The underscore symbol \_ is not a standard arithmetic operator. Assuming it is a typo or meant to be a minus sign, the expression becomes $x - 13 - 20$.
3. **Apply subtraction:** Combine the constants $-13$ and $-20$.
4. **Calculate:**
$$-13 - 20 = -33$$
5. **Rewrite the expression:**
$$x - 33$$
6. **Final answer:** The simplified expression is $x - 33$.
Simplify Expression Ade693
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