Question 387880
[A]={{{(matrix(3,3,1,-1,-5,4,2,2,3,-2,2))}}}
[x]={{{(matrix(3,1,x,y,z))}}}
[b]={{{(matrix(3,1,-13,6,24))}}}
.
.
.
[A][x]=[b]
[x]=[A]inv[b]
Using matrix inversion,
[x]={{{(matrix(3,1,2,-5,4))}}}