Answer
True
Work Step by Step
The statement illustrates the distributive property, so it is a true statement. If we simplify we can prove this:
$7a+3a=(7+3)a\\7a+3a=7a+3a\\10a=10a$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - 5.5 Real Numbers and Their Properties; Clock Addition - Exercise Set 5.5 - Page 311: 98
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