Posted by **Shelbourne** on Tuesday, January 6, 2009 at 4:37pm.

How would I write a matrix equation for...

0.2x+0.04y-0.2z=-.03

1.1x-0.6y+0.7z=0.5

0.25x+0.3y-0.35z=0.1

Would you be able to explain WHY you are doing your particular steps (my book offers explanations for similar problems, but I do not understand why each step takes place)

Thanks for your help

~Shel

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