2x + 7y - 44 = 0 -(2x - 3y - 36 = 0)
------------------ 10y - 8 = 0
10y = 8
y = 8 / 10
y = 0.8
2x + 7(0.8) - 44 = 0
2x + 5.6 - 44 = 0
2x - 38.4 = 0
2x = 38.4
x = 38.4 / 2
x = 19.2
Ответ: x = 19.2, y = 0.8