I tried 3 times Gaussian elimination Precalc?

Sarah

New member
Keep getting weird numbers
my Z=26203/3860 Y=4.165198618
Here is the equation
-4W+10X-10Y-4Z=78
-3W-5X-4Y+9Z=-22
-3W-9X-Y+6Z=-31
8W+X+Y+2Z=-37
It's a take home test due Tomorrow!
Please help. am I doing something wrong??
 
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