Answer:
no solution
Step-by-step explanation:
x-y = 2
-4x +4y = 4
Multiply the first equation by 4
4(x-y) = 2*4
4x -4y = 8
Add this to the second equation
4x -4y = 8
-4x +4y = 4
------------------------
0x + 0y = 12
0 =12 is never true so there is no solution
