Ответ:

x = 0.81 y = 0.09

Объяснение:

17.4x + 17.4y = 16x + 30y

1.4x - 12.6y = 0

x = 0,9 - y

1.4(0.9-y) - 12.6y = 0

1.26 - 1.4y - 12.6y = 0

1.26 = 14y

y = 0.09

x = 0.9 - 0.09 = 0.81