Ada yang tau?ini matriks 1) 4a-3b+2c=-5 3a+6b+4c=10 -4a-3b+5c=-6 Tolong dijawab y pake caranya

bentuk matriks:
1.)
[tex] \left[\begin{array}{ccc}4&-3&2\\3&6&4\\-4&-3&5\end{array}\right] \left[\begin{array}{ccc}a\\b\\c\end{array}\right] = \left[\begin{array}{ccc}-5\\10\\-6\end{array}\right] [/tex]

2.)
[tex] \left[\begin{array}{ccc}4&5&-2\\6&-3&5\\5&6&3\end{array}\right] \left[\begin{array}{ccc}a\\b\\c\end{array}\right] = \left[\begin{array}{ccc}3\\7\\-10\end{array}\right] [/tex]

3.)
[tex] \left[\begin{array}{ccc}3&-2&5\\5&4&-1\\6&-3&5\end{array}\right] \left[\begin{array}{ccc}a\\b\\c\end{array}\right] = \left[\begin{array}{ccc}10\\5\\-10\end{array}\right] [/tex]