Answer
$8m-4n$
Work Step by Step
$-4(1-2m+n)+4=(-4)(1)-(-4)(2m)+(-4)(n)+4=-4-(-1)(4*2)(m)+(-1)(4)(n)+4=-4+8m-4n+4=8m-4n$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 1 - Section 1.7 - Properties of Real Numbers - Exercise Set - Page 71: 47
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