Respuesta :
Answer:
The answer would be 13yz+12+2yxz
Step-by-step explanation:
13yz+9+2yxz+3
Optional step: Put the like-terms by eachother to make it easier
13yz+9+3+2yxz
Then combine like-terms!
13yz+12+2yxz!!
If this helped, marking as brainliest would really help :)
Have a nice day!!
