Respuesta :

16c+11d+11 
:-) good luck 
Show work~~Let's simplify step-by-step.12c+3d+2+4c+8d+9Combine Like Terms:=12c+3d+2+4c+8d+9=(12c+4c)+(3d+8d)+(2+9)=16c+11d+11Answer:=16c+11d+11