4x – 2y =10. -3x + y = -9 By Admin ReiPosted on December 10, 2022 4x – 2y =10. -3x + y = -9 4x-2y=10 -3x+y=-9 4x-3x-2y-y=-10+9 x+y=1 2xy=1 xy=1/2 maaf kalo.salah