SOLUTION: Solve the matrix equation: |4-5||m|=|32| |1 2||n |=|-5| Thank You

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Question 43340: Solve the matrix equation:
|4-5||m|=|32|
|1 2||n |=|-5|
Thank You
Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the matrix equation:
|4-5||m|=|32|
ORDER(1,2)*ORDER(2,1)=ORDER(1,1)
HENCE |M|=|A|
|B|
4A-5B=32.....................................I
THIS IS |M| AND NOT |N|
|1 2||M |=|-5|
1A+2B=-5 ......................................II
EQN.I-4*EQN.II
4A-5B-4A-8B=32+20=52
-13B=52
B=-4
A=-5+8=13