Answer:
n = 11 or n=-11
Explanation:
5|n|-15=40
Add 15 to each side
5|n|-15+15=40+15
5|n| = 55
Divide by 5
5/5 |n| = 55/5
|n| =11
The absolute value has a positive and a negative solution
n = 11 and n=-11
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