Decide Whether the Equation Is an Identity, a Conditional Equation $$2 x + 6 ( x + 1 ) + 2 = 8 - 2 x$$

Multiple Choice

Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.
- $$2 x + 6 ( x + 1 ) + 2 = 8 - 2 x$$

A) Identity; {all real numbers }
B) Conditional; $\{ 0 \}$
C) Contradiction; $\varnothing$
D) Conditional; $\{ 1 \}$