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 190: 22



Work Step by Step

−4(d+5)−3d>8 ⟶ multiply using the distributive property −4d−20−3d>8 ⟶ combine like terms −7d−20>8 ⟶ add 20 to both sides −7d−20+20>8+20 ⟶ simplify −7d>28 ⟶ divide both sides by -7; reverse the inequality sign −7d÷−7<28÷−7 d8 −4(0)+15>8 15>8✓
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