Respuesta :

Answer: 4z + 28

Step-by-step explanation:

We can distribute the 4 to each term inside the parenthesis.

So 4(z+7) = 4*z + 4*7

= 4z + 28

Step-by-step explanation:

4(z + 7) = 4×z + 4×7 = 4z + 28

sorry, but this is so simple. so, what do you not understand about that yet ?