Respuesta :

Answer:17r+14h-7u

Step-by-step explanation:

Answer:

Step-by-step explanation:

Add/ Subtract like components.

12r+ 11r=23r

23r-4r=19r

5h+9h=14h

7u stands as it is because it does not have like component. The answer should read:

19r+14h-7u