Respuesta :

Answer:

-10y + 10.5

Step-by-step explanation:

5 - 2y + (-8y) + 5.5

5 - 2y - 8y +5.5

-10y + 10.5

Answer: 10.5 -10y

Step-by-step explanation: You have to add similar numbers and variables. 5+5.5 is 10.5. -2y +-8y is -10y.