Identify Numbers and Signs: Identify the numbers and their signs.We have a positive 4 and a negative 8. When subtracting a negative number, it is the same as adding its positive counterpart.Calculation: 4−(−8)
Convert Subtraction to Addition: Convert the subtraction of a negative number to addition.Subtracting a negative is the same as adding a positive, so we rewrite the expression.Calculation: 4+8
Add Positive Numbers: Add the two positive numbers.Now we simply add the two positive numbers together.Calculation: 4+8=12
Verify Result: Verify the result.We added two positive numbers, so the result should be positive and greater than both original numbers.Calculation: 12 is positive and greater than 4 and 8.