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 - 2.2 Using the Principles Together - 2.2 Exercise Set: 27

Answer

$n=-2.8$

Work Step by Step

Using the properties of equality, the solution to the given equation, $ 5.3+1.2n=1.94 $, is \begin{array}{l} 1.2n=1.94-5.3 \\\\ 1.2n=-3.36 \\\\ n=\dfrac{-3.36}{1.2} \\\\ n=-2.8 .\end{array} Checking: \begin{array}{l} 5.3+1.2(-2.8)=1.94 \\\\ 5.3-3.36=1.94 \\\\ 1.94=1.94 \text{ (TRUE)} .\end{array} Hence, the solution is $ n=-2.8 .$
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