Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - Chapter 3 Test - Page 139: 3

Answer

$n=-9$

Work Step by Step

Using the properties of equality, the value of the variable that satisfies the given equation, $ 4n+3=2n-15 ,$ is \begin{array}{l}\require{cancel} 4n-2n=-15-3 \\\\ 2n=-18 \\\\ n=-\dfrac{18}{2} \\\\ n=-9 .\end{array}
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