Answer
$6x-14$
Work Step by Step
Using the Distributive Property and then combining like terms, the given expression, $
7x+2(x-7)-3x
,$ simplifies to
\begin{array}{l}\require{cancel}
7x+2x-14-3x
\\\\=
(7x+2x-3x)-14
\\\\=
6x-14
.\end{array}