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To perform matrix addition or subtraction, the two matrices must have the same dimensions. In this case:

- Matrix A has dimensions \(2 \times 3\) (2 rows and 3 columns).
- Matrix B has dimensions \(3 \times 4\) (3 rows and 4 columns).

Since the dimensions of Matrix A and Matrix B are different, it is **not possible** to add or subtract them. Therefore, the correct answer is:

**Not possible.**

Would you like more details, or do you have any questions?

Here are 5 related questions to expand on this topic:
1. What conditions must matrices satisfy to be multiplied?
2. What is the result of multiplying a \(2 \times 3\) matrix by a \(3 \times 4\) matrix?
3. How do the dimensions of a matrix change after multiplication?
4. What happens when you add a scalar to a matrix?
5. How can matrices be used to solve systems of linear equations?

**Tip:** For matrix multiplication, the number of columns in the first matrix must match the number of rows in the second matrix.

If matrix A is a 2x3 and matrix B is a 3x4, the sum or difference will result in a matrix of what dimensions?

Understand why the sum or difference of a 2x3 matrix and a 3x4 matrix is not possible due to the difference in their dimensions. Learn the rules for matrix operations and when addition or subtraction can be performed. Suitable for Grades 9-12.

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