<PRE><B>Question 829265</B>
Question:
7&amp;#8722;3|4d&amp;#8722;7|&amp;#8805;4
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Answer:
&amp;#8722;3|4d&amp;#8722;7|&amp;#8805;4-7
&amp;#8722;3|4d&amp;#8722;7|&amp;#8805;-3, divide both sides by -3
|4d&amp;#8722;7|&amp;#8804;1
-1 &amp;#8804; 4d - 7 &amp;#8804; 1
-1 + 7 &amp;#8804; 4d &amp;#8804; 1 + 7
6 &amp;#8804; 4d &amp;#8804; 8 , divide by 4
{{{highlight(1.5 &lt;= d &lt;= 2)}}} 
In set interval notation, the answer is [1.5, 2]</PRE>