$\left\{ \begin{array} { l } 5 x + 2 y + z = - 11 \\2 x - 3 y - z = 17 \\7 x + y + 2 z = - 4\end{array} \right.$

question 20

Multiple Choice

$\left\{ \begin{array} { l } 5 x + 2 y + z = - 11 \\2 x - 3 y - z = 17 \\7 x + y + 2 z = - 4\end{array} \right.$

• A) x=-3, y=0, z=4
• B) x=3, y=0, z=-4
• C) x=0, y=6, z=-1
• D) x=0, y=-6, z=1

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Definitions:

Acetanilide

An organic compound that acts as a precursor in the synthesis of penicillin and other pharmaceuticals, known for its fever-reducing and pain-relieving properties.

Acetyl Chloride

Acetyl chloride is a colorless organic compound known for its reactivity and use as an acylating agent in organic synthesis.

Ethanol

A volatile, flammable, colorless liquid alcohol, commonly used as a solvent, in medical applications, and as a recreational beverage.

Carbon Compounds

Organic molecules that contain carbon atoms bonded to hydrogen, oxygen, nitrogen, or other elements.