Answer:
3+4 = 5+2
Step-by-step explanation:
They equal each other when they are added up.
Answer:
THEY START AT A DIFFERENT PLase sorry about all caps
Step-by-step explanation:
So... get the like-terms and add/subtract

see what that gives you
Answer:
D. ![\left[\begin{array}{ccc}-12&-4\\9&3\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-12%26-4%5C%5C9%263%5Cend%7Barray%7D%5Cright%5D)
Step-by-step explanation:
In order for a matrix to be singular, the determinant has to be zero.