An unknown matrix in an equation

An unknown matrix in an equation

Secondary 3
3 marks
TGM Original Questions

The matrices \(A=\begin{pmatrix}1&-2\\ 3&0\end{pmatrix}\) and \(B=\begin{pmatrix}5&4\\ -1&8\end{pmatrix}\) satisfy \(2X-3A=B\). Find \(X\).[3]

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Answer:\(X=\begin{pmatrix}4&-1\\ 4&4\end{pmatrix}\)

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