Question 182155
2x-3y=16
-4x+y=-22 


[A]={{{(matrix(2,2,2,-3,-4,1))}}}
[x]={{{(matrix(2,1,x,y))}}}
[b]={{{(matrix(2,1,16,22))}}}
[A][x]=[b]
.
.
.
[A]inv={{{(matrix(2,2,-0.1,-0.3,-0.4,-0.2))}}}
[x]=[A]inv[b]
.
.
.
[x]={{{(matrix(2,2,-0.1,-0.3,-0.4,-0.2))*(matrix(2,1,16,22))}}}
[x]={{{(matrix(2,1,-8.2,-10.8))}}}