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
hello : x=5
x+y=12
so : 5+y =12
y=7