Hope this is what you're looking for.
Answer:
n = 27
Step-by-step explanation:
14n = 11n + 81 (Given)
14n - 11n = 11n - 11n + 81 (Subtraction Property of Equality)
3n = 81 (Simplify)
(Division Property of Equality)
n = 27 (Simplify)
Answer:
I dont think this question is formated correctly. i does not equal to -1. However, If you are wondering about i^-3. it is -i. Otherwords it is D. Hope this helped.