Respuesta :

Answer: -2
I think. I took 4y and added it to -6y

Answer:

Step-by-step explanation:

(4y + 8x + 6) + 25 + (4x - 6y + 7) =4y + 8x + 6 + 25 + 4x - 6y + 7

= 4y -6y + 8x + 4x + 6 +  25 + 7

= -2y + 12x + 38

Coefficient of y = -2