\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Let \(A = \begin{pmatrix} 1 & 2 \\ 2 & 4 \\ 3 & 6 \end{pmatrix}\) and \(B = \begin{pmatrix} 1 \\ 2 \\ 3 \end{pmatrix}\). Show that the system \(A X = B\) is compatible by exhibiting \(B\) as a linear combination of the columns of \(A\).
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