Elementary Algebra

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

Chapter 4 - Proportions, Percents, and Solving Inequalities - Chapters 1-4 Cumulative Review Problem Set: 11

Answer

$-65$

Work Step by Step

We substitute $x=-2$ and $y=5$ in the expression and simplify: $5x-7y+2xy$ =$5(-2)-7(5)+2(-2)(5)$ =$-10-35-20$ =$-65$
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