
Robert J. answered 12/15/12
Tutor
4.6
(13)
Certified High School AP Calculus and Physics Teacher
Add -2 to both sides,
3|x-3| = 12
Divide both sides by 3,
|x-3| = 4
Get rid of absolute sign,
x-3 = +/- 4
If x - 3 = 4, then x = 7
Or else if x - 3 = -4, then x = -1
Answer: x = -1, 7