Tolong dijawab yahhh :)

2A = 4  2  4
        -6 0  -2

  A = 4/2    2/2    4/2
        -6/2   0/2    -2/2

  A = 2    1    2
        3     0   -1

# A - B =
[tex] \left[\begin{array}{ccc}2&1&2\\-3&0&-1\\\end{array}\right] [/tex] - [tex] \left[\begin{array}{ccc}-3&4&6\\4&2&1\\\end{array}\right] [/tex]

= [tex] \left[\begin{array}{ccc}5&-3&-4\\-7&-2&-2\\\end{array}\right] [/tex]