Suppose you want to perform the following operations on a 3 x 3 matrix, A:

(1) Interchange the first and third rows.

(2) Interchange the first and third columns.

(3) Multiply the first row by -2 and add the result to the third row.

(4) Multiply the first column by -2 and add the result to the third column.

(5) Multiply the second row by -2 and add the result to the third row.

(6) Multiply the second column by -2 and add the result to the third column.