I did the work for you. I also showed my work. Hope it helped
Answer: Yes, It is 315, I'm 100% honest!
3(3) - (-8)/4 = 9 + 2 = 11 so (3,-8) is solution
3(4) - 4/4 = 12 - 1 = 11 so (4,4) is solution
answer
C. both ordered airs are solutions
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⣀⣀⣀⣀⣀⣀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⡿⠛⠛⠛⠛⠻⢿⡿⠃⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⡇⠀⠀ ⠀⠈⡇⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⣧⣇⠀⠀⠀⣀⣤⣶⣷⠀⠠⠀⠀⠀⠀⠀
⠀⣀⠀⣠⣤⢀⣀⣠⣤⣤⣤⣤⣤⣿⣿⣿⣄⣼⣿⣿⣿⣿⣿⣿⣿⣦⣀⠀⠀⠀
⢰⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠛⠛⠛⠛⠻⣿⣷⠀⠀
⣸⣿⣿⣿⡿⠛⠛⠛⠻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡏⠀⠀⠀⠀⠀⠀⠘⣿⡷⠀
⠻⢿⣿⡏⠀⠀⣶⠀⠀⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⣿⣧⣀
⠀⠀⢹⣷⡀⠀⠀⠀⢀⣿⣿⣉⡉⠉⠉⠉⠉⢙⣿⣷⣄⠀⠀⠀⠀⢀⣼⣿⠛⠓
⠀⠈⠛⠛⠛⠓⠒⠚⠛⠛⠛⠛⠛⠋⠙⠛⠛⠛⠛⠟⠿⠷⠶⠶⠾⠿⢿⠿⠿⠿ Don't mind me, just a feller out on the farm.