Solve the System by the Addition Method $$\begin{array} { l } - 5 x - 9 y = 28 \\- 4 x + 5 y = - 2\end{array}$$

question 53

Multiple Choice

Solve the system by the addition method. $$\begin{array} { l } - 5 x - 9 y = 28 \\- 4 x + 5 y = - 2\end{array}$$

• A) \(( - 2 , - 2 )\)
• B) \(( 7 , - 7 )\)
• C) \(( - 7 , - 6 )\)
• D) \(( - 11,3 )\)

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Definitions:

Electrons

Subatomic particles with a negative charge, found orbiting the nucleus of an atom.

Net Charge

The total electrical charge of an atom or molecule resulting from the gain or loss of electrons.

Gaseous State

One of the four fundamental states of matter, composed of particles that have neither a defined volume nor shape.

Shares Electrons

Refers to the covalent bonding between atoms, where electrons are shared between atoms to achieve a full outer shell and attain chemical stability.