Respuesta :

Answer: y=4

Step-by-step explanation:

-7y-4=8y-64

-7y-4+4=8y-64+4

-7y=8y-60

-7y-8y=8y-60-8y

-15y= -60

[tex]\frac{-15y}{-15}[/tex] =[tex]\frac{-60}{-15}[/tex]

y=4