College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Section 1.7 - Solving Inequalities - 1.7 Exercises - Page 148: 1


a) $\lt$ b) $\leq$ c) $\leq$ d) $\gt$

Work Step by Step

We just rearrange each of the inequalities using only one step: a) $x<5$ Subtract both sides by 3: $x-3<2$ b) $x\leq5$ Multiply both sides by 3: $3x\leq15$ c) $x\geq2$ Multiply both sides by -3 (switch the inequality) $-3x\leq-6$ d) $x2$
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