2x + 3y = 8
x - 2y = 3
x = 3 + 2y
2(3 + 2y) + 3y = 8
6 + 4y + 3y = 8
7y = 2
y = 2/7
x = 3 + 2*2/7 = 3 4/7 = 25/7
ответ (25/7, 2/7)
2x + 3y = 8
x - 2y = 3
x = 3 + 2y
2(3 + 2y) + 3y = 8
6 + 4y + 3y = 8
7y = 2
y = 2/7
x = 3 + 2*2/7 = 3 4/7 = 25/7
ответ (25/7, 2/7)