Решите систему уравнений способом подстановки
{х/4+у/8=2
2х /9+ у/6=1

х/4 + у/8 = 22х/9 + у/6 = 1________________x/4 = 2 - y/82х/9 + у/6 = 1________________x = 8 - y/2(16 - y)/9 + y/6 = 1________________x = 8 - y/2(32 - 2y + 3y)/18 = 1________________x = 8 - y/2y + 32 = 18________________x = 8 + 14/2y = -14________________x = 15y = -14Ответ: (15; -14)