Question

1) | x - 2 | < 4
2) | x + 8 | < 1
3) | x - 5 | > 8
4) | 3x + 6 | ≥ 3

Answer 1

Ответ:

1) x<6 x>-2 (-2;6)

2) x<-7 x>-9 (-9;-7)

3) x>13 x<-3 (-∞;-3)(13:+∞)

4) x>=-1 x<=3 [-1;3]