Solve the System of Equations by the Substitution Method $$\begin{aligned}x + y & = - 9 \\y & = - 4 x\end{aligned}$$

question 86

Multiple Choice

Solve the system of equations by the substitution method.
- $$\begin{aligned}x + y & = - 9 \\y & = - 4 x\end{aligned}$$

• A) \(\{ ( 3 , - 12 ) \}\)
• B) \(\{ ( 3,12 ) \}\)
• C) \(\{ ( - 3 , - 12 ) \}\)
• D) \(\{ ( - 3,12 ) \}\)

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Definitions:

Moral Intelligence

The capacity to understand principles of right and wrong and to behave according to these principles, leading to ethical decision making.

Mental Capacity

An individual's ability to make decisions or understand information, particularly in legal and medical contexts.

Universal Human Principles

Fundamental norms, values, or truths that are widely accepted across different cultures and societies as inherently right or just.

Universal Principles Stage

A theoretical stage in moral development proposed by Lawrence Kohlberg, where moral reasoning is based on internalized and universal principles of justice.