Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$[\begin{matrix}3&4\\ 9&2\end{matrix}]+X=[\begin{matrix}7&5\\ 3&2\end{matrix}]$$

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