Answer
$11x+28$
Work Step by Step
Using the Distributive Property and then combining like terms, the given expression, $
5(x-4)+6(x+8)
,$ simplifies to
\begin{array}{l}\require{cancel}
5x-20+6x+48
\\\\=
(5x+6x)+(-20+48)
\\\\=
11x+28
.\end{array}