Respuesta :

Answer:

x = 4, y = 5.

Step-by-step explanation:

3x + 3y = 27

 x - 3y =    -11    Adding the 2 equations:-

4x = 16

x = 4.

Now substitute x = 4 into the second equation:-

4 - 3y = -11

-3y = -15

y = 5.