SOLUTION: Solve by using matrix method 2x-y+z=3 x+2y-z=3 3x-4y+2z=-1

Question 424570: Solve by using matrix method
2x-y+z=3
x+2y-z=3
3x-4y+2z=-1
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve by using matrix method
2x-y+z=3
x+2y-z=3
3x-4y+2z=-1
--------------------
Form: AX = B
Find A^-1
---
Solve using A^-1(AX) = A^1*B
Solution X = A^-1B
------
I used a TI-84 to get:
x = 161/65
y = 147/65
z = 4/13
==============
Cheers,
Stan H.
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