x-3=y

-1-3=-4 x=-1 y=-4

-6-3=-9 x=-6 y=-9

2-3=-1 x=2 y=-1

7-3=4 x=7 y=4

-5-3=8 x=-5 y=8

-5-3=8 x=-5 y=8

I get
-5-3= -8 x=-5 y= -8