Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - Mid-Chapter Quiz - Page 115: 3

Answer

x=9

Work Step by Step

In order to cancel out multiplication, we use division, so we divide both sides of the equation by 2.1 to get that x=9. We plug 9 in for x and confirm that our answer is, indeed, correct.
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