ABSOLUTE VALUE
The absolute value of a number is the distance from 0 to that number. The distance is positive, hence, the absolute value is always a positive number.
Exercise
Replace the value of x:
![| x - 8 |](https://img.qammunity.org/2022/formulas/mathematics/high-school/6tsy039cjfs7kdrem2yslbocdclqe2tv2o.png)
![| -4 - 8 |](https://img.qammunity.org/2022/formulas/mathematics/high-school/hi3tdi6xuyhi1nqym6pobr1v6803rhaj6e.png)
![| -12 | = \large{\boxed{12}}](https://img.qammunity.org/2022/formulas/mathematics/high-school/5xhx9qt3zo3yc2lpc5xlw4w7mgoe4hez5k.png)
The absolute value of a number is the numerical value of the number, without regard to its sign.
Answer. 12