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: 42



Work Step by Step

1. $\frac{3x}{10}$+1≥$\frac{1}{5}$-$\frac{x}{10}$ 2. 10($\frac{3x}{10}$+1)≥10($\frac{1}{5}$-$\frac{x}{10}$) 3. 3x+10≥2-x 4. 3x+10+10+x≥2-x+10+x 5. 4x≥12 6. 4x/4≥12/4 7. x≥3 Interval notation for x≥3 is [3,$\infty$)
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