Solve the System by the Addition Method $$\left\{ \begin{array} { l } x + y = 8 \\x + y = 4\end{array} \right.$$

question 6

Multiple Choice

Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set
notation to express the solution set.
- $$\left\{ \begin{array} { l } x + y = 8 \\x + y = 4\end{array} \right.$$

• A) \(\{ ( 8,4 ) \}\)
• B) no solution; \(\varnothing\)
• C) \(\{ ( 0,0 ) \}\)
• D) \(\{ ( 0,12 ) \}\)

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Definitions:

Myoglobinuria

The presence of myoglobin in the urine; can be caused by injured or damaged muscle tissue.

Phenylalanine

An essential amino acid that cannot be produced by the body and must be obtained from the diet, used in the biosynthesis of proteins.

Phenylketonuria

A genetic disorder characterized by the body's inability to break down the amino acid phenylalanine, requiring dietary restrictions from early life.

Genetic Disorder

A disease or condition caused by abnormalities in an individual's genome; can be inherited or result from a new mutation.