Algebra 1

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

Chapter 3 - Solving Inequalities - Chapter Review - 3-2 Solving Inequalities Using Addition or Subtraction - Page 223: 13



Work Step by Step

$w+3\gt9\longrightarrow$ subtract 3 from each side $w+3-3\gt9-3\longrightarrow$ subtract $w\gt6$ An open dot at the endpoint shows 6 is not included in the solution set.
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