Decide Whether the Equation Is an Identity, a Conditional Equation $$2 [ 3 - ( 6 - 5 x ) ] - x = - 12 + 3 ( 2 + 3 x )$$

question 359

Multiple Choice

Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.
- $$2 [ 3 - ( 6 - 5 x ) ] - x = - 12 + 3 ( 2 + 3 x )$$

• A) Identity; {all real numbers}
• B) Conditional; \(\{ - 6 \}\)
• C) Conditional; \(\{ 12 \}\)
• D) Contradiction; \(\varnothing\)

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Definitions:

Flexion

A movement that decreases the angle between two body parts, such as bending a limb at a joint.

Extension

The act of increasing the length, duration, or scope of something beyond the original limit.

Pronation

The inward roll of the foot during normal motion, or the rotational movement of the forearm that turns the palm downward.