Solve the System of Equations $$\left\{ \begin{array} { l } x - y + z = 8 \\x + y + z = 6 \\x + y - z = - 12\end{array} \right.$$

question 115

Multiple Choice

Solve the system of equations.
- $$\left\{ \begin{array} { l } x - y + z = 8 \\x + y + z = 6 \\x + y - z = - 12\end{array} \right.$$

• A) \(x = 2 , y = - 1 , z = - 9\)
• B) \(x = - 2 , y = - 1 , z = - 9\)
• C) \(x = - 2 , y = - 1 , z = 9\)
• D) \(x = 2 , y = - 1 , z = 9\)

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Definitions:

Cognitive-Behavioral Therapy

An evidence-based therapy approach that addresses dysfunctional emotions and maladaptive behaviors through a goal-oriented, systematic procedure.

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The treatment of disease by administering pharmaceutical drugs.

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The ongoing process of making positive changes or enhancements, typically aimed at achieving better outcomes or higher standards.

Symptoms Resolve

The process by which signs of a disease or condition diminish or disappear.