Answer
-5
Work Step by Step
Solving the equation by isolating the variable using the rules of Algebra, we find:
$$ 3n-\left(4n-2\right)=7\\ -n+2=7\\ -n=5 \\ n=-5$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1-8 - Cumulative Review - Page 574: 7
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