Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-4 Solving Multi-Step Inequalities - Practice and Problem-Solving Exercises - Page 191: 50

Answer

a) always true b) always true c) never true

Work Step by Step

a) 5s+7≥7+5s 5s+7(−7)≥7(−7)+5s 5s≥5s 5s(−5s)≥5s(−5s) 0≥0 (true statement) b) 4t+6>4t−3 4t+6(+3)>4t−3(+3) 4t+9>4t 4t(−4t)+9>4t(−4t) 9>0 (true statement) c) 5(m+2)<5m−4 5m+10<5m−4 5m+10(−5m)<5m−4(−5m) 10
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