The answer is no solution
Step-by-step explanation:
The equation is [tex]-2x+y=6[/tex] and [tex]-2x+y=-1[/tex]
Subtracting these two equations, we get,
[tex]-2x+y=6\\-2x+y=-1\\-------\\0=7[/tex]
Thus, [tex]0=7[/tex] is not possible.
Hence, the system of equations have no solutions.