Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapters 1-2 Cumulative Review Problem Set - Page 91: 13



Work Step by Step

The algebraic expression will be evaluated by substituting the values of $x=-6$ and $y=7$ into the expression: $3xy-2x-4y$ =$3(-6)(7)-2(-6)-4(7)$ =$3(-42)+12-28$ =$-126+12-28$ =$-126-16$ =$-142$
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