College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 1 - Equations and Inequalities - Exercise Set 1.7 - Page 196: 49



Work Step by Step

$ 5(x-2)-3(x+4)\geq 2x-20 \qquad$ ... distribute $ 5x-10-3x-12\geq 2x-20 \qquad$ ... simplify $ 2x-22\geq 2x-20 \qquad$ ... add $22-2x $ to both sides $0\geq-2$ This is not true for any real $x$. The solution set is the empty set, $\emptyset$.
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