1427.
3) 15x – 2(y + 4) = 0,
16(2x + 3) – y - 41 = 0;
1) [2(x + y) – x + 6 = 0,
[3x – ( x - y) = 0;
2) 3(x + 2y) – y - 27 = 0,
(4(x + y) – 3x – 23 = 0;
4) (2x + 3(x + y) - 11 = 0,
17(x + 3y) - 6x + 59 = 0.​

taganrog123    3   12.05.2020 12:24    0