Identify Numbers and Operation: Identify the numbers and the operation.We have the number 2 and we need to subtract −2 from it.
Apply Subtraction Rule: Apply the rule for subtracting a negative number.Subtracting a negative number is the same as adding its positive counterpart.So, 2−(−2) is the same as 2+2.
Perform Addition: Perform the addition. 2+2 equals 4.