Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - Review Exercises: 131

Answer

$a=-40$

Work Step by Step

We are given the equation $-10=\frac{a}{5}-2$. In order to solve, we can first add 2 to both sides. $-10+2=\frac{a}{5}-2+2$ $-8=\frac{a}{5}$ Multiply both sides by 5. $-8\times5=\frac{a}{5}\times5$ Therefore, $a=-40$.
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