Answer
$-142$
Work Step by Step
The algebraic expression will be evaluated by substituting the values of $x=-6$ and $y=7$ into the expression:
$3xy-2x-4y$
=$3(-6)(7)-2(-6)-4(7)$
=$3(-42)+12-28$
=$-126+12-28$
=$-126-16$
=$-142$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
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
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