Solve the System of Equations $$\begin{array} { l } x - y + z = - 7 \\x + y + z = 1 \\x + y - z = 9\end{array}$$

question 60

Multiple Choice

Solve the system of equations.
- $$\begin{array} { l } x - y + z = - 7 \\x + y + z = 1 \\x + y - z = 9\end{array}$$

• A) \(\{ ( 1 , - 4,4 ) \}\)
• B) \(\{ ( 4 , - 4,1 ) \}\)
• C) \(\{ ( - 4,1,4 ) \}\)
• D) \(\{ ( 1,4 , - 4 ) \}\)

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Definitions:

Epigenetics

The study of how environmental factors affect genes and genetic expression—enhancing, halting, shaping, or altering the expression of genes.

Environmental Factors

External elements including physical, social, and cultural that can influence an individual's development and health.

Gene Expression

The process by which information from a gene is used in the synthesis of a functional gene product, such as proteins, influencing an organism's structure and functions.

Proteins

Large biomolecules, or macromolecules, composed of one or more long chains of amino acid residues, crucial for various biological functions.