Question: User: X2-3
1. **State the problem:** Simplify the expression $$X2-3$$.
2. **Interpret the expression:** Assuming $$X2$$ means $$X \times 2$$ or $$2X$$, the expression becomes $$2X - 3$$.
3. **Simplify:** The expression $$2X - 3$$ is already simplified as it is a linear expression with two terms.
4. **Final answer:** $$2X - 3$$.