Respuesta :

Answer:

B. 7y - 15

Step-by-step explanation:

10y - 3(y+5)

= 10y -3y - 15

= 7y -15

Answer:

B)7y-15

Step-by-step explanation:

The answer is B)7y - 15

10y - 3(y+5)

= 10y -3y - 15

= 7y -15