Simplify the Matrix [[-6r+t],[-r],[6s]]+[[6r],[-4t],[-3r+2]]

$[\begin{array}{c} - 6 r + t \\ - r \\ 6 s \end{array}] + [\begin{array}{c} 6 r \\ - 4 t \\ - 3 r + 2 \end{array}]$

Add the corresponding elements.

$[\begin{array}{c} - 6 r + t + 6 r \\ - r - 4 t \\ 6 s - 3 r + 2 \end{array}]$