Answer
$9a-12b-7$
Work Step by Step
The given expression, $
4(2a-3b)+a-7
$, simplifies to
\begin{array}{l}\require{cancel}
4(2a)+4(-3b)+a-7
\\\\=
8a-12b+a-7
\\\\=
9a-12b-7
.\end{array}
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