Write the equations in matrix form :
x-y=-5
3x+2y=-5
(1−132)\begin{pmatrix} 1 & -1 \\ 3 & 2 \end{pmatrix}(13−12) (xy)\begin{pmatrix} x \\ y \end{pmatrix}(xy) =(−5−5)\begin{pmatrix} -5 \\ -5 \end{pmatrix}(−5−5)
