Identify Numbers and Operation: Identify the numbers and the operation.We have the number 4 and we need to subtract −4 from it.Calculation: 4−(−4)
Apply Rule for Subtracting: Apply the rule for subtracting a negative number.Subtracting a negative number is the same as adding its positive equivalent.Calculation: 4−(−4)=4+4
Perform Addition: Perform the addition.Add the two numbers together.Calculation: 4+4=8