Respuesta :
Answer:
3x + 21
Step-by-step explanation:
The distributive property: a(b + c) = ab + ac
We have:
3(x + 7) = (3)(x) + (3)(7) = 3x + 21
Answer:
Step-by-step explanation:
The distributive property: a(b + c) = ab + ac
We have:
3(x + 7) = (3)(x) + (3)(7) = 3x + 21