Given $A = \left[ \begin{array} { l l } 3 & 5 \\2 & 4\end{array} \right]$

question 90

Essay

Given $A = \left[ \begin{array} { l l } 3 & 5 \\2 & 4\end{array} \right]$ and $B = \left[ \begin{array} { c c } - 2 & 4 \\3 & 8\end{array} \right]$

, solve $X - 2 A = B$ , for the matrix $X$ , or explain why there is no solution.

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