You can put this solution on YOUR website! 2x1+x2+x3=10
3x1+2x2+3x3=18
3x1+4x2+9x3=16
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I used a TI-84
It shows the system in inconsistent
x1 = x3
x2 = -x3
0 = 1
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Check out the determinant of the coefficient Matrix
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Cheers,
Stan H.