Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-5 Solving Inequalities - Practice and Problem-Solving Exercises - Page 40: 67


D. -1 < x< 3

Work Step by Step

The first step in finding the solution to this problem is to subtract 3 from each side of the inequality. (1-3=-2, 2x+3-3= 2x, 9-3=6) You would get -2<2x<6. Then, divide each side of the inequality by 2 (so x is by itself in the middle of the inequality). (-2/2=-1, 2x/2=x,6/2=3) You would get -1
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