Respuesta :

Answer: 28

Step-by-step explanation:

-6 times y and 15= -6y +90

-6y + 90= -3y + 6 ( 90 -6=84)

-6y + 84= -3y ( -3y + 6 = 3y)

84=3y (84 divided by 3=28)

Y=28