Question

Resolva a equação 2x= A+B

Answer 1

2x = $\left[\begin{array}{ccc}3\\2\\-1\end{array}\right]$ + $\left[\begin{array}{ccc}10\\4\\-8\end{array}\right]$

Logo, 2x = $\left[\begin{array}{ccc}13\\6\\-9\end{array}\right]$

x = $\left[\begin{array}{ccc}7,5\\3\\-4,5\end{array}\right]$