deannaellis deannaellis 11-12-2017 Mathematics contestada y=-5/2x-5 y=-4/3x-1 y=-x+3 y=-4x-1 2x-y=1 x+2y=-8 8x+3y=-9 4x+5y=-10 x-y=-2 4x-3y=9 y=-1 x+5y=-15 -27-10+2x=0 x+5+y=0 3x+20=-4y -15-x=-5y -1=-2x+y -x-1=y 0=5y-x -30+10y=-2x