Answer:
x = -5
y = 0
Step-by-step explanation:
x-y = -5 -----eqn 1
x-y = 1/3 ------eqn 2
From eqn 1
x-y = -5
x = -5 + y -----eqn 3
-5+y-y = -5
Eqn 3
x = -5 + 0