解{2x+4y+3z=1{3x-2y+5z=1{5x+6y+8z=2

解三元一次方程组1、x+y-z=4 2x-y+z=5 x-3y+z=-2 2、y+2z=-2 3x+y-4z=1 2x-y+2z=8 3、x-2y+z=-1 x+y+z=2x+2y+3z=-1 解三元一次方程组：(1)x+2y+3z=11x-y+4z=10x+3y+2z=2(2)x:y=3:5y:z=5:6x+y+2z=40(3)x+y-z=2y+z-x=4z+x-y=6谢谢! 解三元一次方程组1)2x+y-3z=3,3x-y+2z=1,x-y-z=5 2)x:y=3:2,y:z=5:4,x+y+x=66 (4x-2y-z)-{5x-[8y-2z-(x-2y)]-x-(3y-10z)}=? 解方程组 x+y+z=5 2x-y-z=4 3x-2y-z=9 解方程组x+y+z=6 x+2y-3z=4 2x-y+z=5 x+y+z=-5,3x+y+z=1,4x+3y+2z=-2快 解方程组：x+y+z=4,x+y+2z=5,3x+y-z=6 x-y+z=-1 5x+2y-z=6 4x-3y+2z=-5 3x-y+2z=-1 4x+y+z=5 x-2y-z=-2 x+y+z=-1 4x-2y+3z=5 y-z=8-2x x+y+z=1 4x+5y-z=6 x+2y-z=3 {x+y+z=1 {x+3y+7z=2 {x+5y+19z=4 1.{x:y:z=3:4:5 2x+3y-5z=-142.{x-y-z=-1 3x+5y+7z=11 4x-y+2z=-13.{x+y=1 x+z=0 2x+y+2z=44.{x-y+z=-3 2x-y-z=-2 -3x+y+z=-15.{x-y+z=-3 3x+y-4z=6 2x+y-z=36.{x-2y+5z=16 2x+y-5z=7 2x-y+z=38 {5x-3y+z=2{5x+2y-4z=3{-5x+y-z=2 {x-y-z=-1{3x+5y+7z{4x-y+2x=-1 解方程组.[1]x+y-z=6 [2] x+y=3 x-3y+2z=1 y+z=5 3x+2y-z=4 x+z=6 解三元一次方程组 ①2x-y+z=1 3x+y -2z=2 X+2y-z=3 ②x-4y+z=-3 2x+Y-Z=18 X-Y-Z=7 ③4x+4y+2z=7 6X-4y-z=6 2x-y+z=1 解方程组2x+y-3z=1,x-2y+z=6,3x-y+2z=9求x,y,z的值解方程组6x+y-z=0,3x-y+z=5,y+2z=4求x,y,z的值 真的实在解不出来,希望你能帮帮忙!