Respuesta :

Answer:

x = 5, y = 7

Step-by-step explanation:

We are given the value of x, that is x = 5

Substitute x = 5 into the other equation and solve for y

5 + y = 12 ( subtract 5 from both sides )

y = 7

Answer:

Step-by-step explanation:

hello : x=5

         x+y=12  

so  :  5+y =12

y=7