Question 693141
<pre>
          -5 < 2(x - 4) &#8804; 9
Distribute:
           -5 < 2x - 8  &#8804; 9

Add 8 to all three sides:

           -5 < 2x - 8 &#8804;  9
           +8      + 8   +8
           ----------------
           -1 < 2x     &#8804; 17

Divide all three sides by 2:

           {{{-1/2}}} < {{{2x/2}}}     &#8804; {{{17/2}}}

 or

               {{{-1/2}}} < x &#8804; {{{17/2}}} 
       
                ({{{-1/2}}}, {{{17/2}}}]

Edwin</pre>