College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises: 7

Answer

(a) false (b) true

Work Step by Step

(a) Using $x=-2$: $4(-2)+7=9(-2)-3$ $-8+7=-18-3$ $-1=-21$ Which is False. (b) Using $x=2$: 4(2)+7=9(2)-3 8+7=18-3 15=15 Which is True.
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