SOLUTION: Solve using Matrices -y-z=0 4x-y-2z=18 z=-y

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Question 1051764: Solve using Matrices
-y-z=0
4x-y-2z=18
z=-y
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A=%28matrix%283%2C3%2C%0D%0A0%2C-1%2C-1%2C%0D%0A4%2C-1%2C-2%2C%0D%0A0%2C1%2C1%29%29
Eq. 1 and eq. 3 are dependent (multiply eq. 1 by -1 to get eq. 3).