Answer
$-7x$
Work Step by Step
The product of -7 and "a number" (here, x) is simply written as $-7x$, since no specific multiplication sign is needed.
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 2 - Section 2.4 - Integrated Review - Integers - Page 133: 40
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