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 1-2 - Cumulative Review: 14

Answer

$x=1$

Work Step by Step

Using the properties of equality, the solution to the given equation, $ 12-3(5x-1)=x-1 $, is \begin{array}{l}\require{cancel} 12-3(5x)-3(-1)=x-1 \\\\ 12-15x+3=x-1 \\\\ -15x-x=-1-12-3 \\\\ -16x=-16 \\\\ x=\dfrac{-16}{-16} \\\\ x=1 .\end{array}
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