Solve the Equation $- \frac { 2 } { 5 }$

question 69

Short Answer

Solve the equation.
-2x-5=0
A) $- \frac { 2 } { 5 }$
B) $\frac { 5 } { 2 }$
C) $- \frac { 5 } { 2 }$
D) $\frac { 2 } { 5 }$

• A) \(- \frac { 2 } { 5 }\)
• B) \(\frac { 5 } { 2 }\)
• C) \(- \frac { 5 } { 2 }\)
• D) \(\frac { 2 } { 5 }\)

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Definitions:

Acid-Base Reaction

A chemical reaction that involves the transfer of a hydrogen ion (H+) from an acid to a base.

Carbene

A reactive molecule containing a carbon atom with two unshared electrons and bonded to two other atoms.

Diazomethane

A highly reactive, carcinogenic organic compound employed in methylating agents and as a precursor to carbenes; characterized by the formula CH2N2.

Carbene

A highly reactive molecule containing a carbon atom with two nonbonded electrons and bonded to two atoms typically forming a divalent species.