Choice Bhoice D is the correct answer.

1. Start with the equation: $4x + 2x - 5 = 19$
2. Combine like terms: $6x - 5 = 19$
3. Add 5 to both sides: $6x = 24$
4. Divide by 6: $x = 4$
5. Verify: $4(4) + 2(4) - 5 = 16 + 8 - 5 = 19$ ✓

Choice Bhoice C is incorrect because this results from subtracting 5: $14/6 = 2.33$.

Choice Bhoice C is incorrect because calculation error.

Choice Bhoice A is incorrect because calculation error.