Hi
6x-4y=1 |substituting ordered pair (2/3,3/4)determining if it is a solution
4 - 3 = 1 YES, the ordered pair is a solution
6x-4y=1 |substituting ordered pair (1,3/2)determining if it is a solution
6 - 6 ≠ 1 NO, this ordered pair is not a solution