Answer
n = 0
Work Step by Step
-4(n - 4) - 23 = -7
Apply distributive property:
-4(n) - 4(-4) - 23 = -7
Simplify:
-4n + 16 - 23 = -7
-4n - 7 = -7
Add 7 to both sides:
-4n = 0
Divide both sides by -4:
n = 0
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 2 - Section 2.3 - Further Solving Linear Equations - Exercise Set - Page 118: 10
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