PDF chapter test TRY NOW
If \(A = \begin{bmatrix}
7 & 7\\
3 & 8
\end{bmatrix}\), and \(A + B = \begin{bmatrix}
15 & 14\\
8& -4
\end{bmatrix}\) find the matrix \(B\).
7 & 7\\
3 & 8
\end{bmatrix}\), and \(A + B = \begin{bmatrix}
15 & 14\\
8& -4
\end{bmatrix}\) find the matrix \(B\).
\(B =\)_____
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