Respuesta :
l-5l because you do have to lose $5 to pay him. But since you owe him, that means he has given you something in the past so you aren't really LOSING anything because you are just repaying him from what you owe him. so thats why you have to put the absolute value bars to switch it from being a negative.
|-5| because when you use absolute value a negative can turn into a positive $5.
If you use absolute value for example it will go like this: |78| it equals a |-78|
If you use absolute value for example it will go like this: |78| it equals a |-78|