Respuesta :

Step-by-step explanation:

For x

8x + 7 = 9x - 4

8x - 9x = -4 - 7

-x = -11

x = 11°

For y

5y = 7y - 34

5y - 7y = -34

-2y = -34

y = -34/-2

y = 17°

x = 11° and y = 17°