2x+3y = 8 x + 4z = -6 2y-z = 9 tentukan x,y,z By Admin ReiPosted on December 5, 2022 2x+3y = 8 x + 4z = -6 2y-z = 9 tentukan x,y,z 2x+3y=83y=-2x+8x+4z=-6 4z= -x-6 2y-z=9