4. x < 5; 9*5 = 45; The answer has to be less than 45; 45/9 =5; so x has to be less than 5.
5. n <= -3; -14*-3 = -42; The answert has to be greater than or equal to 42; 42/-14 = -3; so n has to be less than -3 or equal to -3.
6. x > 24; The answer has to be less than -6; 24/-4 = -6; so the answer has to be greater than 24.
Hope this helped☺☺