Question 1114516
.
<pre>
{{{log(2,(9-2^x))}}} = {{{3-x}}}



{{{graph( 330, 330, -10.5, 10.5, -10.5, 10.5,
          log(2,(9-2^x)), 3-x
)}}}


Plot y = {{{log(2,(9-2^x))}}} (red)  and  y = 3-x (green)



There are two roots  x= 0  and  x= 3.


There are NO other roots.
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