Decide Whether the Equation Is an Identity, a Conditional Equation $$3 ( 28 x + 16 ) = 12 ( 5 x + 12 )$$

Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.
- $$3 ( 28 x + 16 ) = 12 ( 5 x + 12 )$$

A) Contradiction; $\varnothing$
B) Conditional; $\{ - 8 \}$
C) Conditional; $\{ 4 \}$
D) Identity;{all real numbers}