Answer:
n = 15
Explanation:
Solve for n:
n - 15 = 0
Hint: | Isolate terms with n to the left hand side.
Add 15 to both sides:
n + (15 - 15) = 15
Hint: | Look for the difference of two identical terms.
15 - 15 = 0:
Answer: n = 15
N is an integer
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