Elementary Algebra

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

Chapter 2 - Real Numbers - Chapter 2 Test: 18

Answer

$-x+5xy$

Work Step by Step

To simplify the expression in the question, we group together the similar terms and then perform addition/subtraction: $3x-2xy-4x+7xy$ =$3x-4x-2xy+7xy$ =$(3x-4x)+(-2xy+7xy)$ =$(-x)+(5xy)$ =$-x+5xy$
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