Prealgebra (7th Edition)

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

Chapter 2 - Section 2.3 - Subtracting Integers - Exercise Set: 61

Answer

20

Work Step by Step

Replace $x$ with 1 and $y$ with -18 in $2x-y$: $2x-y=2\times(1)-(-18)=2+18=20$
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