Answer :
[tex]-6x - 4y = 12|\div 2\\
12y = -18x - 36|\div 6\\\\
-3x-2y=6\\
2y=-3x-6\\\\
-3x-2y=6\\
-3x-2y=6[/tex]
Both equations are equivalent, so there are infinitely many solutions.
Both equations are equivalent, so there are infinitely many solutions.