Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.4 - Solving Linear Equations - Exercise Set - Page 50: 4


The solution set is $\left\{16\right\}$.

Work Step by Step

Solve using the different properties of Algebra to find: $5x=72+8 \\5x=80 \\x=\frac{80}{5} \\x=16$ Check: $5(16)-8\stackrel{?}{=}72 \\80-8\stackrel{?}{=}72 \\72 \stackrel{\checkmark}{=}72$ The solution set is $\left\{16\right\}$.
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