Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Review Exercises - Page 109: 56



Work Step by Step

Simplify by combining like terms to obtain: $=(4a+3a)+(9-7) \\=(4+3)a + 2 \\=7(a) + 2 \\=7a+2$
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