Question

expresse matricialmente o sistema linear a segui ( -3x -y = 4
2x-2y= -5

Answer 1

$\left[\begin{array}{ccc}-3&-1\\2&-2\end{array}\right] * \left[\begin{array}{ccc}x\\y\end{array}\right] = \left[\begin{array}{ccc}4\\-5\end{array}\right]$