Question 1087363
{{{X=A^(-1)B}}}
{{{abs(A)=23}}}
{{{23*A^(-1)=(matrix(2,2,
3,-4,
5,1))}}}
{{{23*A^(-1)B=(matrix(2,2,
3,-4,
5,1))*(matrix(2,1,-21,13))}}}
{{{23*A^(-1)B=(matrix(2,1,-115,-92))}}}
{{{A^(-1)B=(matrix(2,1,-5,-4))}}}
{{{X=(matrix(2,1,-5,-4))}}}