What is the value of the expression |-5x+12| when x=5

First, plug in 5 for x:

| - 5 * 5 + 12 | = |-25 + 12| = |-13|

Those two lines are absolute value, which measures the distance from the number to 0 on a number line. This distance is always positive.

The distance from - 13 to 0 on a number line is 13. The answer is 13.

|-5x + 12|

|-5 (5) + 12| = |-25 + 12|

|-25 + 12| = |-13|

|-13| = 13