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OpenStudy (anonymous):
The absolute value of 3x is < or equal to 9
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OpenStudy (anonymous):
\[|3x|\le9 => -9\le3x \le9 => -3 \le x \le3\]
OpenStudy (anonymous):
There are 2 possible answers. So what is 3x=-9 and 3x=9?
OpenStudy (anonymous):
You posted an inequality; an inequality gives a range of x where the boolean expression will result in true. In this case the value of x can be anywhere in the closed interval [-3,3]
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