Question 367876
[A]={{{(matrix(4,4,2,1,-3,1,1,-3,1,1,-1,2,2,-1,1,1,-1,3))}}}
[x]={{{(matrix(4,1,w,x,y,z))}}}
[b]={{{(matrix(4,1,4,32,-10,14))}}}
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det[A]={{{6}}}
[A]inv={{{(1/6)*(matrix(4,4,0,5,-4,-3,-6,3,-12,-3,6,-1,14,3,6,-4,14,6))}}}
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[x]={{{(matrix(4,1,79/3,25,-53/3,-80/3))}}}