SOLUTION: x-y+z=6 x+y+z=2 x+y-z=0

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Question 363982: x-y+z=6
x+y+z=2
x+y-z=0
Answer by Sphinx pinastri(17) About Me  (Show Source):
You can put this solution on YOUR website!
x-y%2Bz=6
x%2By%2Bz=2
x%2By-z=0
Subtract 2nd equation from the 1st one:
+-2y+=+4+
+y+=+-2+
Subtract 3rd equation from 2nd one:
+2z+=+2++
+z+=+1+
Use 3rd equation fo find x:
x+=+z+-+y
x+=+3