SOLUTION: x+y+z=3
3x+2y-z=4
2x-y-2z=-1
Algebra.Com
Question 984728: x+y+z=3
3x+2y-z=4
2x-y-2z=-1
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
By what method? Gauss-Jordan? Cramer's Rule? 
? What about this problem is giving you difficulty? What have you tried so far?
John
My calculator said it, I believe it, that settles it
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