Answer
$-x+12$
Work Step by Step
Removing the grouping symbols and then combining like terms, the given expression, $
(3x+5)-(4x-7)
,$ simplifies to
\begin{array}{l}\require{cancel}
3x+5-4x+7
\\\\=
(3x-4x)+(5+7)
\\\\=
-x+12
.\end{array}
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 5 - Mid-Chapter Check Point - Page 378: 4
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