Answer:
C. {-9,-3}
Step-by-step explanation:
gives 
if 
. This gives 
, which is valid.
It can also give 
if 
. This gives 
, which is valid.
Hence the solutions are 
.
What’s the question though lol
Answer:
x=-5, y=-8. (-5, -8).
Step-by-step explanation:
-x+2y=-11
5x-8y=39
---------------
5(-x+2y)=5(-11)
5x-8y=39
---------------------
-5x+10y=-55
5x-8y=39
--------------------
2y=-16
y=-16/2
y=-8
-x+2(-8)=-11
-x-16=-11
-x=-11+16
-x=5
x=-5
