Help please with this matrice! Math?

Question

PLEASE ADD THESE

N + T

N

[2 0 -1]

[9 6 3]

[-4 3 1]

_________________

T

[1 0]

[-2 0]

[7 5]

PLEASE!

Answer 1

To add matricies, the must be of the same dimensions

N = 3x3 T = 3x2, you can not add them.

Answer 2

[-5 -5]

[18 15]

[-3  5]

to add 2 matrix, number first matrix row must equal number second matrix column, nothing wrong here

Answer 3

To add matrices, their dimensions must be the same.  You can not add a 3x3 matrix and a 3x2 matrix.