Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Appendix A - Basic Algebra Review - A Exercises - Page A-15: 78



Work Step by Step

Step 1: $\frac{d-9}{3}=11$ Step 2: Multiply both sides by 3: $\frac{d-9}{3}\times3=11\times3$. Step 3: $d-9=33$ Step 4: Add 9 to both sides: $d-9+9=33+9$. Step 5: $d=42$
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