Respuesta :

amordaz18

Answer: x<7 (x = all answers)

Step-by-step explanation:

(3x-3) < 18 = 3x-3 < 18

3x-3 < 18

  +3  +3

3x < 21

3x/3 < 21/3

x<7

All answers are correct because they are all negative, which means they are less than 7.