Answer:
{(,12)}
Step-by-step explanation:
6 + y =18→y=12
6 - 12 = 12 → 12 = 12 true x= y=12
Ax=6
Y=12
Therefore a=6, x=1, y=12
The answer is c
My college brother told me this is the answer if it isn't I'm sorry but it's his fault
B
Therefore,