ж) ||2x - 7| - 5| = 1
Рассмотрим два случая:
- |2x - 7| - 5 = 1, тогда |2x - 7| = 6
- 2x - 7 = 6, 2x = 13, x = 6.5
- 2x - 7 = -6, 2x = 1, x = 0.5
- |2x - 7| - 5 = -1, тогда |2x - 7| = 4
- 2x - 7 = 4, 2x = 11, x = 5.5
- 2x - 7 = -4, 2x = 3, x = 1.5
Ответ: x = 6.5; x = 0.5; x = 5.5; x = 1.5