Use Cramer's Rule to Solve the System $\left\{ \begin{array} { r } x + y - 3 z = 0 \\x + y + z = 4 \\x - y = 2\end{array} \right.$

question 93

Essay

Use Cramer's Rule to solve the system. $\left\{ \begin{array} { r } x + y - 3 z = 0 \\x + y + z = 4 \\x - y = 2\end{array} \right.$

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Definitions:

Scientific Attitude

A mindset characterized by curiosity, skepticism, and openness to evidence and reasoning, rather than by belief or intuition.

Skepticism

An attitude of doubt or a disposition to incredulity either in general or toward a particular object; questioning the validity of a particular claim, theory, or belief.

Pride

A feeling of deep pleasure or satisfaction derived from one's own achievements, the achievements of those with whom one is closely associated, or from qualities or possessions that are widely admired.

Practicality

The aspect of being concerned with the actual doing or use of something rather than with theory and ideas.