$\"\"$

For adding matrices, their dimension should be equal.

The dimensions of matrix, A and B are 3 × 2.

First write the dimension of the matrix.

The first matrix A is $\"\"$

The matrix has 3 row and 2 columns, so dimensions of matrix are $\"\"$ .

The second matrix B is $\"\"$

The matrix has 3 rows and 2 columns, so dimensions of matrix are $\"\"$ . $\"\"$

The dimensions of matrix are equal. The operation of addition is possible.

Perform the operation A + B

Add the corresponding elements.

$\"\"$

$\"\"$ (Add to each elements)

Product of two difference sings is negative.

$\"\"$ (Simplify)

$\"\"$ $\"\"$

The solution is $\"\"$ .