SOLUTION: 31< |2x+9| < 47

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Question 764184: 31< |2x+9| < 47
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
31< |2x+9| < 47
----
31< 2x+9 < 47
----
22< 2x < 38
----
11< x < 19
=================
OR
31 < -(2x+9) < 47
----
-47 < 2x+9 < -31
----
-56 < 2x < -40
----
-28 < x < -20
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Cheers,
Stan H.
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