Answer
{-1}
Work Step by Step
You will need to create two seperate equations.
4n+5=4n+3
4n+5-5=4n+3-5
4n=4n-2
4n-4n=4n-4n-2
0n=-2
no solution
and
4n+5=-4n-3
4n+5-5=-4n-3-5
4n=-4n-8
4n+4n=-4n+4n-8
8n=-8
8n/8=-8/8
n=-1
The solution set is {-1}.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix D - Exercise Set - Page 994: 38
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