SOLUTION: solve inequality. express answer in interval notation.. -3 <= 3 - 2x <= 9

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Question 285160: solve inequality. express answer in interval notation..
-3 <= 3 - 2x <= 9
Answer by eggsarecool(46) About Me  (Show Source):
You can put this solution on YOUR website!
-3%3C=3+-+2x%3C=+9 The first step will be to subtract 3 from all 3 parts.
-6%3C=-2x%3C=6 Now divide by -2. And remember to reverse the <= signs when dividing by a negative.
3%3E=x%3E=-3
Expressed in interval notation this is [-3,3]