Respuesta :
6x - 3y = 3
(+) - 6y + 18y = 42
----------------------
15y = 45
y = 3
6x - 3(3) = 3
6x = 12
x = 2
(+) - 6y + 18y = 42
----------------------
15y = 45
y = 3
6x - 3(3) = 3
6x = 12
x = 2