Dadas as matrizes !$ A \, = \, \begin {bmatrix} x \, + \, y \,\,\,\,\, x \, - \, y \\ 3 \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, 1\end {bmatrix} !$
e !$ B \, = \, \begin {bmatrix} 10 \,\, 0 \\ 0 \,\, 10 \end {bmatrix} !$, os valores de x e y de modo que A.At = B são
