Answer
4(5 + $x$) $\ne$ $-15$
Work Step by Step
"Four times the sum"
4 $\times$ (an addition expression)
"the sum of 5 and $x$"
(5 + $x$)
"is not equal to"
$\ne$
"the opposite of 15"
$-15$
OR
4(5 + $x$) $\ne$ $-15$
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: 12
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