Answer
{$-3,1$}
Work Step by Step
Given: $6x=3x-9$
or, $6x-3x=-9$
or, $3x=-9 \implies x=-3$
Now, $6x=-(3x-9)$
or, $6x=-3x+9$
or, $9x=9 \implies x=1$
Hence, {$-3,1$}
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 4 - Section 4.3 - Equations and Inequalities Involving Absolute Value - Exercise Set - Page 283: 30
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