Решите системы способом подстановки

-x - 14y = - 16

4x - 19y = - 16

-x - 14y = - 16

4x - 19y = - 16

x = 16 - 14y

4 (16 - 14y) - 19y = - 16

x = 16 - 14y

64 - 56y - 19y = - 16

x = 16 - 14y

64 + 16 = 56y + 19y

x = 16 - 14y

75y = 80

x = 16 - 14y

y = 80/75

y = 16/15

x = 16 - 14 * 16/15

x = 16/15

y = 16/15

Ответ: (16/15; 16/15)