Answer
$x=-\frac{20}{3}$
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: $x=-\frac{20}{3}$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
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
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