SOLUTION: Solve the matrix:
[1 2 1 | 0]
[0 1 0 |-2]
[0 0 1 | 3]
Thanks in advance
Algebra.Com
Question 638556: Solve the matrix:
[1 2 1 | 0]
[0 1 0 |-2]
[0 0 1 | 3]
Thanks in advance
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Solve the matrix:
[1 2 1 | 0]
[0 1 0 |-2]
[0 0 1 | 3]
--------------
The 3rd row --> z = 3
The 2nd row --> y = -2
---
x + 2*-2 + 3 = 0
x = 1
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