Answer
The expressions are not equivalent.
Work Step by Step
The first expression $41+z+9 = 50+ z$. The second expression 41 $\times$ z $\times$9= 369z.
50+z does not equal 369z.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - Chapter Review - 1-4 Properties of Real Numbers - Page 70: 53
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