line 1: 2x-8y=-16
line 2: y=0.25x-2 (me ges ...not kleer if yu put a desimat in front av "25x")
line1...2x-8(0.25x-2)=-16
2x-2x +16=-16
DED END...YU GET 0 X=32
if rerite line 2, get y-0.25x=-2
multipli bi 8 tu get 8y -2x=-16 or 2x-8y=-16
Line 2 is the same as line 1
yu gotta hav 2 INDEPENDANT equashuns