Подставим x = 6 в выражение 7x – 5 ⋅ |x – 19|:
7 ⋅ 6 – 5 ⋅ |6 – 19|
Считаем:
42 – 5 ⋅ |-13|
42 – 5 ⋅ 13
42 – 65 = -23
Ответ: -23