Answer
$7a+2$
Work Step by Step
Simplify by combining like terms to obtain:
$=(4a+3a)+(9-7)
\\=(4+3)a + 2
\\=7(a) + 2
\\=7a+2$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Review Exercises - Page 109: 56
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