Question

URGENTE!!!!
pra hoje, por favor, quem souber dá aquela moral
quem responder só pelos pontos vai ser denunciado

Answer 1

$\left[\begin{array}{ccc}4&-5\\9&-2\end{array}\right]+X=\left[\begin{array}{ccc}6&3\\2&11\end{array}\right] \\\\\\ X=\left[\begin{array}{ccc}6&3\\2&11\end{array}\right]-\left[\begin{array}{ccc}4&-5\\9&-2\end{array}\right] \\\\\\ X=\left[\begin{array}{ccc}6&3\\2&11\end{array}\right]+\left[\begin{array}{ccc}-4&5\\-9&2\end{array}\right] \\\\\\ X=\left[\begin{array}{ccc}2&8\\-7&13\end{array}\right]$