Answer
7≥r
Work Step by Step
2+4r≥5(r−1)⟶ multiply using the distributive property
2+4r≥5r−5⟶ subtract 4r from each side; add 5 to each side
2+4r−4r+5≥5r−5−4r+5⟶ combine like terms
7≥r
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 3 - Solving Inequalities - 3-6 Compound Inequalities - Practice and Problem-Solving Exercises - Page 206: 61
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