X< eight
②3-x & lt; five
x & gt-2
∴ x ∈ (-2,8)-x belongs to the interval-2 to 8.
{ x |-2 & lt; The solution set of x<8 }-x is -2.
(2).①3 & lt; 2x-3 & lt; five
3<x< 4
②3 & lt; 3-2x & lt; five
- 1 & lt; x & lt0
∴ x ∈ (- 1, 0) ∩ (3,4)-x belongs to the interval-1 to 0, at most 3 to 4.
{ x |- 1 & lt; X<0 or 3