Question

solve the system

2x-3y-z=-8
x-y--z=-2
-4x+3y+z=6

Answer 1

x-y-z=-2

z=x-y+2
2x-3y-z=-8
2x-3y-x+y-2=-8
x-2y=-6
-4x+3y+z=6
-4x+3y+x-y+2=6
-3x+2y=4
+
x-2y=-6
-2x=-2
x=1 y=3,5 z=-0,5