#### Answer

$-5$

#### Work Step by Step

Using order of operations and the concepts of the absolute value of a number, the given expression, $
(-6-3)|-2-3|\div9
,$ simplifies to
\begin{array}{l}\require{cancel}
(-9)|-5|\div9
\\\\=
(-9)(5)\div9
\\\\=
-45\div9
\\\\=
-5
.\end{array}