communication matrix?!?! heeelllllllpppp?

{Becca's Mama}

New member
the question above it :
given the communication matrix, draw arrows between the letters shown to indiccate data transmission where appropriate.


& the question below it:
slove for x, givven that
[-5 0 -1]
[2 1 0]
[x 3 0]



http://i54.tinypic.com/2mn2nwp.jpg
 
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