Use Cramer's rule, whenever possible, to solve the system. 
Definitions:
Negative Announcement
A negative announcement communicates unfavorable news or decisions, which can include changes in policies, layoffs, or the cancellation of events.
Direct Message
Private communication between users on a social media platform that is not visible to others.
Negative Comments
Remarks or feedback that express criticism, disapproval, or a pessimistic viewpoint.
Bad News
Information that is unpleasant, unwelcome, or disheartening and potentially has a negative impact on the receiver.
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