Answer
$21x-14y+28$
Work Step by Step
RECALL:
$\\\\$The distributive property:
$a(b+c+d)=ab+ac+ad$.
$\\\\$Use this property to have:
$\\\\7(3x-2y+4)
\\\\=7(3x)-7(2y)+7(4)
\\\\=21x-14y+28$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 4 - Cumulative Review - Page 252: 8a
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