Respuesta :
Use substitution
y = 2(-y + 6)
y = -2y + 12
3y = 12, y = 4
4 = 2x, x = 2
Solution: x = 2, y = 4
y = 2(-y + 6)
y = -2y + 12
3y = 12, y = 4
4 = 2x, x = 2
Solution: x = 2, y = 4