Respuesta :
2x + 4y = 8 -------multiply by 3
3x + 5y = 15 -----multiply by 2
6x + 12y = 24
sub tract numbers vertically
6x + 10y = 30
2y = -6 ----- divide by 2 each side
y =-3
3x + 5y = 15 -----multiply by 2
6x + 12y = 24
sub tract numbers vertically
6x + 10y = 30
2y = -6 ----- divide by 2 each side
y =-3