Answer
$x=\dfrac{20}{3}$
Work Step by Step
Using the properties of equality, the value of the variable that satisfies the given equation, $
3x+1=21
,$ is
\begin{array}{l}\require{cancel}
3x=21-1
\\\\
3x=20
\\\\
x=\dfrac{20}{3}
.\end{array}
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
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 - Page 106: 12
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
