Question 1160074
<pre>
First Sentence:

Dennis            d
Alvin             2d
Fred              d+14
</pre>

Second Sentence
{{{(2d+4)/2=-11+(d+14+4+d)}}}


{{{d+2=(2d+18)-11}}}

{{{d+2=2d+7}}}

{{{2-7=d}}} makes no sense