Question 376345
(1,2) ---> x=1, y=2

y=3x-1
2=3(1)-1
2=2

(1,2) is a solution




(-1,-4) ---> x=-1, y=-4

y=3x-1
-4=3(-1)-1
-4=-4

(-1,-4) is a solution





(2,3) ---> x=2, y=3

y=3x-1
3=3(2)-1
3=5

(2,3) is not a solution