Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 2 - Section 2.5 - Order of Operations - Exercise Set: 59

Answer

-30

Work Step by Step

$-3[5+2(-4+9)]+15$ $=-3[5+2(5)]+15$ $=-3[5+10]+15$ $=-3[15]+15$ $=-45+15$ $=-30$
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