Answer
$9x+103$
Work Step by Step
Expand the brackets and distribute the negative sign:
$=16x+40-7x+63$
Collect the like terms:
$=9x+103$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.3 - Algebraic Expressions - 1.3 Exercises - Page 33: 21
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