Answer:
x=-1, y=0
Step-by-step explanation:
Adding both equations,
-10y+9x+10y+5x = -9 +(-5)
14x = -14
x = -1
Plug in the value of x in first equation,
-10y + 9(-1) = -9
-10y = -9+9
-10y = 0
y = 0
