SOLUTION: Which classification describes the following system of equations ? 12x+5y-3z=36 x-2y+4z=3 9x-10y+5z=27

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Question 1165423: Which classification describes the following system of equations ?
12x+5y-3z=36
x-2y+4z=3
9x-10y+5z=27
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443) About Me  (Show Source):
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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To answer this question, calculate the determinant of the matrix first.


If the determinant is not zero, then the system is consistent and has a unique solution.