Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-1 Solving One-Step Equations - Lesson Check - Page 85: 7

Answer

13

Work Step by Step

$x - 4 = 9$ You can add $4$ to both sides in order to isolate $x.$ $x - 4 + 4 = 9 + 4$ $x = 13$
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