Question

5< [ x-3 ] <8 2< [x-1 ]<5

Answer 1

1)5+3<x<8+3
8<x<11
2) 2+1<x<5+1
3<x<6

вроде так

Answer 2

5<x-3<8
8<x<11
2<x-1<5
3<x<6