Answer
-9 - 15 = -24
Step-by-step explanation:
-9 - 15 =?
Let us assume that you have friends x and y
you owed x a sum of $9 and you owed y a sum of $15
The negative sign means debt or loss
The total amount owed will now be
-(9 + 15) = -24
Hence, - 9 - 15 = -24
