Solve the System by the Addition Method $$\left\{ \begin{array} { r } 8 x - 7 y = 6 \\- 32 x + 28 y = - 18\end{array} \right.$$

question 96

Multiple Choice

Solve the system by the addition method.
- $$\left\{ \begin{array} { r } 8 x - 7 y = 6 \\- 32 x + 28 y = - 18\end{array} \right.$$

• A) \(\left( 2 , - \frac { 7 } { 4 } \right)\)
• B) \(( 4,3 )\)
• C) \(\{ ( x , y ) \mid 8 x - 7 y = 6 \}\)
• D) \(\varnothing\)

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Definitions:

COOH

A carboxyl group, a functional group consisting of a carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group, characteristic of organic acids.

Peptide

Short chains of amino acid monomers linked by peptide bonds, functioning in diverse biological roles, including as hormones, neurotransmitters, and antibiotics.

Triple Covalent

A type of chemical bond where three pairs of electrons are shared between two atoms.

Polar Covalent

A type of chemical bond where a pair of electrons is unequally shared between two atoms, causing a partial charge.