Answer:
1/2, 5/2
Explanation:
Rearrange the system of equations.
-3x + y = -1
x + y = 3
Multiply the bottom equation by 3
3x + 3y = 9
Now add the two equations
4y = 10
y = 5/2
Now plug y back in to solve for x in one equation
x + y = 3
x + 5/2 = 3
x = 1/2
Answer in coordinates: 1/2, 5/2