Answer
$-x+12$
Work Step by Step
Subtract each term of the subtrahend to obtain:
$=3x+5-4x-(-7)
\\=3x+5-4x+7$
Combine like terms to obtain:
$=(3x-4x)+5+7
\\=-x+12$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Mid-Chapter Check Point - Page 71: 2
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