Answer
$-5x+1$
Work Step by Step
Using the Distributive Property and combining like terms, the given expression, $
3(x-1)-4(2x-1)
,$ simplifies to
\begin{array}{l}\require{cancel}
3x-3-8x+4
\\\\=
(3x-8x)+(-3+4)
\\\\=
-5x+1
.\end{array}