Algebra 1

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

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 174: 18



Work Step by Step

$s-10\leq 1$ : add 10 to both sides $s-10+10\leq 1+10$ : simplify $s\leq 11$ Verify that 11 is a solution at the endpoint. $11-10\overset?= 1$ $1=1\checkmark$ Verify that a number less than 11 is a solution. $10-10\overset?\leq1$ $0\leq1\checkmark$
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