You can put this solution on YOUR website! All you need to do is plug x = 2 and y = 3 into the equations and see if they are true.
3(2) - 3 = 6 - 3 = 3 this equation check out
2(2) + 4(3) = 4 + 12 = 16 this equation also checks out
so (2,3) is a solution