SOLUTION: |3a+9| = |3a-5|. What is the answer?

Algebra ->  Absolute-value -> SOLUTION: |3a+9| = |3a-5|. What is the answer?      Log On


   



Question 820480: |3a+9| = |3a-5|. What is the answer?
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
|3a+9| = |3a-5|

Break that into two equations:

3a+9 = 3a-5   OR   3a+9 = -(3a-5)
   9 = -5          3a+9 = -3a+5
No solution          6a = -4
to this part          a = -4%2F6
                      a = -2%2F3

There is one solution, a = -2%2F3

Edwin