Find a matrix X such that 2A + B + X = O, where 
we have 2A+B+X=0.
= X=-2A-B
= X=
-![]()
= X=
-![]()
= X=![]()
= X=![]()
Hence, X=![]()
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.




