При каких значениях "а" справедливо неравенство

1)a-4<a

2)a+3>a

3)a>-a

4)-a>a

 Помогите!!!!Косвенная речь!!!!1.All my friends ask me,Where did you spend your vacation? 2.My mother asked me,Where did you been so late?3.Allan asked me, How long did you stay in the south?