1. **State the problem:** Simplify the expression $2 - -2$. 2. **Understand the operation:** The expression contains a subtraction followed by a negative sign. Subtracting a negative number is equivalent to adding the positive of that number. 3. **Rewrite the expression:** $$2 - -2 = 2 + 2$$ 4. **Perform the addition:** $$2 + 2 = 4$$ 5. **Final answer:** The simplified value of $2 - -2$ is $4$.