What is 280 - 120 - (-320) + 50?
Question 1
Q1. What is 280 - 120 - (-320) + 50?
Answer: 530
Explanation: Subtracting a negative is the same as adding: 280 − 120 − (−320) + 50 = 280 − 120 + 320 + 50 = 530.