SOLUTION: |2x + x| =9

Algebra ->  Test  -> Lessons -> SOLUTION: |2x + x| =9      Log On


   



Question 777105: |2x + x| =9
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
|2x + x| =9
|3x| =9
3|x| =9
|x| =3
x = 3 or x = -3
Answer: 3, -3
I can help you with more questions at: mthman@gmail.com
Thanks