Use matrices A, B, and C. Find the sum or difference if you can.

A-
a.
-5 4
C+A
b.
-8 2
B-
-7 -4 2
-4
-7


6 6
-7 -4
-2 7
1
-6 0
C=
3 -1
6
5
-3 0
3 10
-2-6
d. not possible
6



Answer :