How to solve an equation with matrices?

I have these equations below:

How to solve these? I know the matrices A, B, Λ, Am, Bm and i want to find the Kx^T and Kr^T

[Torsten]

Could you include the matrix dimensions ?

[RoBoTBoY]

A is 2x2

B is 2x1

Λ is 1x1

Am is 2x2 and

Bm is 2x1

Answer 1

[Catalytic]

Kx=( (B*Delta)\(Am-A) ).';

Kr=( (B*Delta)\(Bm) ).';