Answer:
and 
Step-by-step explanation:
The first system is
and 
We substitute x=-3 and y=-3
and 
Both equations are not satisfied
The next system is
and 
We substitute x=-3 and y=-3
and 
Both equations are satisfied
The next system is
and 
We substitute x=-3 and y=-3
and 
Both equations are not satisfied
The next system is
and 
We substitute x=-3 and y=-3
and 
Both equations are not satisfied