\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Calculate the sum of the following matrices:
$$ \begin{pmatrix} 5 & -1 \\ 2 & 8 \end{pmatrix} + \begin{pmatrix} -3 & 1 \\ 4 & -2 \end{pmatrix} = \begin{pmatrix}\input{14151}{}{3em}{2em}{}{} & \input{24151}{}{3em}{2em}{}{}\\ \input{34151}{}{3em}{2em}{}{} & \input{44151}{}{3em}{2em}{}{}\\ \end{pmatrix}$$