Respuesta :

marcthemathtutor

Answer:

10y

Step-by-step explanation:

9y + y = 10y

Adinex

Answer:

[tex]10y[/tex]

Step-by-step explanation:

[tex]9y + y = y(9 + 1) = y(1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1) = y \times 10 = 10y[/tex]