Answer
$-8x-12$
Work Step by Step
Removing the grouping symbols and then combining like terms, the given expression, $
-8+4x-(x-1)-(11x+5)
,$ simplifies to
\begin{array}{l}\require{cancel}
-8+4x-x+1-11x-5
\\\\=
(4x-x-11x)+(-8+1-5)
\\\\=
-8x-12
.\end{array}