Hi,

4x-y+3z=6

2x+y-z=-8 

  

2x+y-z=-8

3x-2y+2z=9

   7x = -7

    x = -1,   z = 2  and y = -4                           

Answer by lynnlo(4176)   (Show Source): You can put this solution on YOUR website!
 (1)x=-3z/4+y/4+3/2

(2)x=-y/2+z/2-4

(3)x=-2z/3+2y/3+3 

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