#### Answer

All real numbers; identity

#### Work Step by Step

1. Given: -2(x + 3) - x - 4 = -3(x + 4) + 2
2. Apply Distributive Property: -2x - 6 - x - 4 = -3x - 12 + 2
3. Add and subtract: -10 = -10
The equation is an identity, because it is always true.