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 175: 48


not equivalent

Work Step by Step

$45\leq-5+z$ : add 5 to both sides $45+5\leq-5+z+5$ : simplify $50\leq z$ This is not equivalent to $40\leq z$.
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