{x+y=-4 {2x-3y=2

{x+y=-4 {2x-3y=2 x=-4-y 2(-4-y)-3y=2 x=-4-y -8-2y-3y=2 x=-4-y -5y=10|/-5 x=-4-y y=-2 x=-4+2 y=-2 x=-2 y=-2

x+y=-4 | *(-2) 2x-3y=2 -2x - 2y = 8 2x - 3y = 2 +--------------- -5y = 10 y = -2 x - 2 = -4 x = -2 y = -2

x=-4-y 2x-3y=2 x= -4-y 2*(-4-y) - 3y=2 x=-4-y -8 - 2y-3y=2 x= -4-y - 5y=10 x=-4-y y=-2 x=-4--2 y=-2 x=-2 y=-2