Introductory Algebra for College Students (7th Edition)

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

Chapter 2 - Section 2.3 - Solving Linear Equations - Exercise Set - Page 141: 7



Work Step by Step

$4(x+1)=20$ $4x+4=20$ $4x=20-4$ $4x=16$ $\frac{4x}{4}=\frac{16}{4}$ $x=4$ Check the answer. 4(4+1)=20 4(5)=20 20=20
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