Elementary Technical Mathematics

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

Chapter 6 - Section 6.1 - Equations - Exercises: 48

Answer

r=-$\frac{35}{3}$

Work Step by Step

switch sides -7-3r=28 add 7 to both sides -3r=35 divide both sides by -3 r=-$\frac{35}{3}$
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