Answer
$32m-11n$
Work Step by Step
Using $a(b+c)=ab+ac$ (or the Distributive Property), and then combining like terms, the given expression, $
14m-6(2n-3m)+n
,$ simplifies to
\begin{array}{l}\require{cancel}
14m-12n+18m+n
\\\\=
(14m+18m)+(-12n+n)
\\\\=
32m-11n
.\end{array}