Elementary Algebra

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

Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2: 2

Answer

$x=5$

Work Step by Step

Using the properties of equality, the value of the variable that satisfies the given equation, $ 3x+4=19 ,$ is \begin{array}{l}\require{cancel} 3x=19-4 \\\\ 3x=15 \\\\ x=\dfrac{15}{3} \\\\ x=5 .\end{array}
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