Respuesta :

ruby544

Answer:

-8y+7x

Step-by-step explanation:

clear the () on the left first;

[tex] - 3y - x - (5y - 8x)[/tex]

the solve the right;

[tex] - 3y - x - 5y + 8x[/tex]

arrange;

[tex]8x - x - 3y - 5y[/tex]

[tex]7x - 8y[/tex]