You can put this solution on YOUR website! Being with the first equation solving for Y so:
Y = 6 + 2X
Then, plug in what you got for Y into the second equation:
4X - 2(6 + 2X) = 5
Then, simplify:
4X - 12 - 4X = 5
-12 = 5
This is an inconsistency so the system has no solution.