Answer: -21
Step-by-step explanation:
To solve this, you must subtract either one of the numbers from the other, then take the absolute value.
The easiest way is to subtract -6 from 15, since it will allow you to work with positive numbers.
So you do 15 - (-6), which is the same as 15 + 6. The answer is -21, and since it is a positive number, no further calculations are required to find the absolute value.
Step-by-step explanation:
