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: 2

Answer

$x=3$

Work Step by Step

Using the properties of equality, the value of the variable that satisfies the given equation, $ -7=-3x+2 ,$ is \begin{array}{l}\require{cancel} 3x-7=2\\\\ 3x=2+7 \\\\ 3x=9 \\\\ x=\dfrac{9}{3} \\\\ x=3 .\end{array}
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