SOLUTION: 2x-y+2z=7 -x+2y-4z=5 x+4y-6z=-1

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Question 914583: 2x-y+2z=7
-x+2y-4z=5
x+4y-6z=-1
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
-x+2y-4z=5
x+4y-6z=-1
6y+-+10z+=+4
.......
2x-y+2z=7
2(-x+2y-4z=5)
+3y+-6z+=+17
.........
6y - 10z = 4
-2(3y-6z = 17
2z = -30
z = -15 , y = -146%2F6, x = compute...
(19/3, -73/3, -15) is the solution for this System