Three times the difference of x and 4 is less than 9

The inequality would be 3 (x - 4) < 9. If you wanted to solve it, first you would distribute the 3 to x and - 4, giving you, 3x - 12 < 9. Then add 12 to both sides, 3x < 21, and divide both sides by 3. So the answer would be x < 7.