Answer
$6+3x$
Work Step by Step
The commutative property of addition holds that $a+b=b+a$.
In this example, we can set $3x+6=a+b$
So, $a=3x$ and $b=6$
Therefore, the other side of this equation is $b+a=6+3x$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set - Page 39: 57
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