Solve

question 79

Essay

Solve: $\left\{ \begin{array} { l } 7 a + 3 b - 8 c + 2 d = - 4 \\5 a - 8 b + 5 c - 4 d = 15 \\5 a - 4 b + 8 c + 7 d = 16 \\7 a + b - 4 c + 4 d = 2\end{array} \right.$

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Definitions:

Firm Conviction

A state of being firmly convinced or having a strong belief in something, often without significant evidence or contrary to the typical belief.

Hallucinatory Concept

Involves the experience of perceiving things that are not present or are distorted, often associated with psychotic disorders.

Positive Symptoms

Symptoms that are an excess or distortion of normal functions, such as hallucinations or delusions, often associated with schizophrenia.

Normal Behaviour

Actions or reactions that are within the expected range for a given society or culture, considered typical or average.