Respuesta :
Answer:
n = 15
Step-by-step 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