Answer
$a=3$
Work Step by Step
Step 1. Combine like terms on the right side of the equation.
$3a+2a=(3+2)a=5a=15$
Step 2. Divide both sides by 5.
$\frac{5a}{5}=\frac{15}{5}$
$a=3$
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 9 - Basic Algebra - 9.7 Solving Equations with Several Steps - 9.7 Exercises - Page 679: 44
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