Question

Identify the solution(s) of the system of equations, if any. -6x - 4y = 12 12y = -18x - 36

Answer 1

$-6x - 4y = 12|\div 2\\ 12y = -18x - 36|\div 6\\\\ -3x-2y=6\\ 2y=-3x-6\\\\ -3x-2y=6\\ -3x-2y=6$

Both equations are equivalent, so there are infinitely many solutions.