Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 6 - Section 6.1 - Equations - Exercises - Page 238: 5



Work Step by Step

$w-7\frac{1}{2}=3$ $w-7\frac{1}{2}+7\frac{1}{2}=3+7\frac{1}{2}\longrightarrow$ add $7\frac{1}{2}$ to both sides $w=10\frac{1}{2}$ To check, substitute the value for w and see of the result is true. $10\frac{1}{2}-7\frac{1}{2}=3$ $3=3\checkmark$
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