Respuesta :
Answer:
2x + 8
Step-by-step explanation:
3(x + 4) - (4 + x)
3(x + 4) - 1(4 + x)
3x + 12 - 4 - x
3x - x + 12 - 4
2x + 8
Answer: The answer will be 2x+8
Step-by-step explanation: I will pin the steps

Answer:
2x + 8
Step-by-step explanation:
3(x + 4) - (4 + x)
3(x + 4) - 1(4 + x)
3x + 12 - 4 - x
3x - x + 12 - 4
2x + 8
Answer: The answer will be 2x+8
Step-by-step explanation: I will pin the steps