Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 2 - Equations, Inequalities, and Problem Solving - Connecting: The Concepts - Exercises - Page 134: 10



Work Step by Step

Using the properties of equality, the solution to the given equation, $ 10=-2(a-5) $, is \begin{array}{l}\require{cancel} 10=-2(a)-2(-5) \\\\ 10=-2a+10 \\\\ 2a=10-10 \\\\ 2a=0 \\\\ a=0 .\end{array}
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