Answer:
The answer is don't ask me to explain cuz i can't O.O
but there yea go :3
Step-by-step explanation:
-38.4
Multiply both sides by 6 to get rid of the /6 then you would get z alone
5 - (N x 15)
81 x 15 = 1215
5-1215=-1210
-1210 should be the 81st term
800