Question 329973
[A]={{{(matrix(3,3,3,4,1,0,2,7,0,-2,3))}}}
[b]={{{(matrix(3,1,14,25,5))}}}
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det[A]={{{60}}}
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[A]inv={{{-(1/60.0)*(matrix(3,3,-20,14,-26,0,-9,21,0,-6,-6))}}}
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[x]=[A]inv[b]
[x]={{{(matrix(3,1,1,2,3))}}}
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{{{(matrix(3,1,x,y,z))}}}={{{(matrix(3,1,1,2,3))}}}