SOLUTION: The problem I am having trouble with is 3|3x|-7=2. The lessen is over solving absolute-value Equations and inequalities. I forget what to do with 3 in front of the absolute value.

Algebra ->  Linear-equations -> SOLUTION: The problem I am having trouble with is 3|3x|-7=2. The lessen is over solving absolute-value Equations and inequalities. I forget what to do with 3 in front of the absolute value.       Log On


   

Question 519716: The problem I am having trouble with is 3|3x|-7=2. The lessen is over solving absolute-value Equations and inequalities. I forget what to do with 3 in front of the absolute value. Thank You. :)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
3|3x|-7=2

3|3x|=2+7

3|3x|=9 ... I'm assuming you got this far right?

|3x|=9/3 ... divide both sides by 3

|3x|=3

3x=3 or 3x=-3

x=3/3 or x=-3/3

x=1 or x=-1


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