Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.5 - Equations - 1.5 Exercises: 15

Answer

$\frac{1}{2}x - 8 =1$ Solution: $x=18$

Work Step by Step

1. $\frac{1}{2}x - 8 =1$ 2. Add 8 to both sides: $\frac{1}{2}x=9$ 3. Divide both sides by $\frac{1}{2}$(equvialent to multiplying both sides by 2): $x=\frac{9}{\frac{1}{2}} = 18$
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