SOLUTION: what is the answer for this compound inequality -9<3x-12<15

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Question 616897: what is the answer for this compound inequality
-9<3x-12<15

Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
solve each inequality separately and then combine the result
-9%3C3x-12
3%3C3x
1%3Cx
3x-12%3C15
3x%3C27
x%3C9
combine
1%3Cx%3C9
So x is between 1 and 9 but not equal to either 1 or 9