Select all the correct systems of equations.
Which systems of equations have no solution?
x + 4y = 23
-3x = 12y + 1
2x + 4y = 22
-x = 2y - 11
2x + y = 15
x = 15-2y
2x + y = 17
-4x = 2y-34
3y = 10-x
2x+6y=7
y = 13 - 2x
4x - y = -1
