Answer
$-d+6$
Work Step by Step
Removing the grouping symbols and then combining like terms, the given expression, $
(2d+7)-(3d-1)
,$ simplifies to
\begin{array}{l}\require{cancel}
2d+7-3d-1
\\\\=
(2d-3d)+(7-1)
\\\\=
-d+6
.\end{array}
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