ASAP PLZ I WILL GIVE BRAINLIEST TO RIGHT ANSWER

Answer:
15
Step-by-step explanation:
when its 2 negative they turn to a positive
Answer:
9
Step-by-step explanation:
Absolute value means the distance the number is away from 0
-12 is 12 away from 0 and -3 is 3 away from 0
plug the new numbers into the equation to get
12 - 3 = 9