So in a play a team gains 5 yards but then they lose 6. One way to represent the total change in yards is given by adding the gained yards and substracting the lost yards:
![5-6=5+(-6)=-1](https://img.qammunity.org/2023/formulas/mathematics/college/ebto1ylqrr2dbs8m04gsy9xcrnn531i8dm.png)
Then the total change in yards is -1 and the total loss is 6. Then the boxes must be completed like: