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: 76



Work Step by Step

Step 1: $3(x+8)-15=-11$ Step 2: $3x+24-15=-11$ Step 3: $3x+9=-11$ Step 4: Subtract 9 from both sides: $3x+9-9=-11-9$. Step 5: $3x=-20$ Step 6: $x=-\frac{20}{3}$
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