Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.7 - Solving Linear Inequalities - Exercise Set: 24

Answer

Solution Set: $x \ge 7$ Refer to the image below for the graph.
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Work Step by Step

Add 5 on both sides of the inequality to obtain: $x \ge 2+5 \\x \ge 7$ On a number line, the numbers that are greater than or equal to $7$are found from $7$ to the right. Thus, to graph the solution set on a number line, plot a solid dot at $x=7$ and shade the region to its right. (refer to the attached image in the answer part above)
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