Elementary Technical Mathematics

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

Chapter 6 - Review - Page 263: 18



Work Step by Step

By multiplying both sides by $15$, we get $$5x-30=9x \Longrightarrow 4x=-30.$$ By dividing both sides by $4$, we have $$x=-\frac{30}{4}=-\frac{15}{2}=-7\frac{1}{2}.$$
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