x+2y-z=0(1)2x-3z=1(2)3x-y+2z=4(3)
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x+2y-z=0(1)2x-3z=1(2)3x-y+2z=4(3)x+2y-z=0(1)2x-3z=1(2)3x-y+2z=4(3)x+2y-z=0(1)2x-3z=1(2)3x-y+2z=4(3)z
x+2y-z=0(1)2x-3z=1(2)3x-y+2z=4(3)
x+2y-z=0(1)
2x-3z=1(2)
3x-y+2z=4(3)
x+2y-z=0(1)2x-3z=1(2)3x-y+2z=4(3)
z=8/27
x=4/9
y=-2/27