1) -10x+y=4
Now, you should substitute x in every situation.
x=-2 => -10(-2)+y=4... 20+y=4... y=-16
x=-1 =>-10(-1)+y=4... 10+y=4... y=-6
x=0 => -100+y=4... y=4
x=1 => -101+y=4... -10+y=4... y=14
x=2 => -102+y=4... -20+y=4... y=24
2) -5x-1=y
For example: x=0
-5*0-1=-1
