Find the matrix 'B' — task. Maths TNSB Mentoring, Class 10.

If \(A = \begin{bmatrix}
8 & 5\\
1 & 9
\end{bmatrix}\), and \(A + B = \begin{bmatrix}
15 & 14\\
5& -5
\end{bmatrix}\) find the matrix \(B\).

\(B =\)_____

Did you find an error?

6. Find the matrix 'B'