Solve the System by the Addition Method $$\left\{ \begin{array} { r } x + 4 y = 36 \\8 x + 5 y = 45\end{array} \right.$$

question 113

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.
- $$\left\{ \begin{array} { r } x + 4 y = 36 \\8 x + 5 y = 45\end{array} \right.$$

• A) \(\{ ( 0,9 ) \}\)
• B) \(\{ ( 1,8 ) \}\)
• C) no solution; \(\varnothing\)
• D) \(\{ ( - 9,0 ) \}\)

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Definitions:

Regression

A defense mechanism leading an individual to revert to a previous phase of psychological development, often under stress or frustration.

Reprimanded

Officially warned or punished, usually in a professional or formal context, for a wrongdoing or mistake.

Defence Mechanism

Mental tactics used subconsciously to shield an individual from distress caused by intolerable ideas or emotions.

Projection

A defense mechanism where an individual attributes their own unacceptable thoughts, feelings, or motives to another person.