Answer
no
Work Step by Step
Ley x = 2 and y = 1. Substitute and solve.
$30y+x\times15=30(1)+(2\times15)=30+30=60$
$5[2(x+3y)]=5[2(2+3(1))]=5[2(2+3)]=5[2(5)]=5[10]=50$
The results are not the same so the expressions are not equivalent.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1 - Introduction to Algebraic Expressions - 1.2 The Commutative, Associative, and Distributive Laws - 1.2 Exercise Set - Page 18: 99
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