1. **Stating the problem:** Simplify the expression $+2 - 4$. 2. **Step 1:** The plus sign before 2 simply means positive 2, so this is equivalent to $2 - 4$. 3. **Step 2:** Subtract 4 from 2: $$2 - 4 = -2$$. 4. **Conclusion:** The simplified result of $+2 - 4$ is $-2$.