方程组5X+y+z=6,x+5y+Z=-2,x+y+5Z=10的解

解方程组x+y+z=6 x+2y-3z=4 2x-y+z=5 解方程组：x+y+z=4,x+y+2z=5,3x+y-z=6 x+y+z=77 y+5=z 4x=z三元一次方程组 方程组{x/2+y/3-z=-5,x/3-y/2+z/2=10,x/2-y/3-z/4=6,求x,y,z 解方程组x+y=5 y+z=6 x+z=7 解方程组3x+y+z=6,x+3y+z=5,x+y+3z=9｛3x+y+z=6｛x+3y+z=5｛x+y+3z=9 {x+y+z=6,x-z=2,2x-y+z=5 解方程组 三元一次方程组 x+y+z=6 x-z=2 2x-y+z=5 三元一次方程组x+y-z=-3 2x+y-3z=-2 3x-y+2z=-11三元一次方程组5z-4y=0 3y-5z=0 2x-y+z=6 解方程组{x(x+y+z)=6,y(x+y+z)=12,z(x+y+z)=18 解方程组：{x(x+y+z)=6 {y(x+y+z)=9 {z(x+y+z)=10 方程组 ｛5x+8y+12z=100 x+y+z=14 方程组｛5x+8y+12z=100x+y+z=14 方程组xy/x+y=2 yz/y+z=4 zx/x+z=5 求x,y,z 解方程组 z=x+y 2x-3y+2z=5 x+2y-z=3 方程组x-y-z=5 y-x-z=1 z-x-y=-15的解是? 解方程组{z=x+y 3x-2y-2z=-5 2x+y-z=3 解方程组x+y-z=-5,x-y-z=1,x-y+z=15 解方程组 x+y+z=5 2x-y-z=4 3x-2y-z=9 x+y-z=5,2x+3y+z=10,x-2y-z=20求方程组