Respuesta :

Answer: 19d + 11

Step-by-step explanation:

7d + 14-3+12d

19d + 11

Answer:

7d +14-3-12d

Step-by-step explanation:

You just distribute the numbers outside the parenthesis into the parenthesis. 7xd=7d and so on. If you wanted to simplify it you would combine like terms which would leave you with -5d+9