Question

Find the sum or difference: picture below:

Answer 1

@jim_thompson5910 @Mertsj

Answer 2

To add matrices, add the corresponding entries.

Answer 3

ikno that but the 2x3 matrices confuse me

Answer 4

What number is in the first row and first column of the first matrix?

Answer 5

-9

Answer 6

What numer is in the first row and first column of the second matrix?

Answer 7

-2

Answer 8

What is -9 + (-2)?

Answer 9

@aditya96 Please let the asker answer the questions.

Answer 10

ok

Answer 11

-11

Answer 12

Put that number in the first row and first column of your answer matrix. Proceed similarly for the remainder of the entries.

Answer 13

\[\left[\begin{matrix}-11 &-1 & 14 \\ -3 & 14 & 1\end{matrix}\right]\] This is what I got

Answer 14

could not draw any better hope it helps