A Решите системы уравнений подстановки (1425–1427).
5. 1) [x-y-2 = 0,
3) (3x + y - 4 = 0,
5) (x + 5y + 2 = 0,
2x – 3y +1 = 0;
5х +y - 10 = 0; |0, 5х - у - 6 = 0;
2) J-x+y – 4 = 0,
4x + y +1 = 0;
4) [8x – 3y - 7 = 0,
3х + у — 9 = 0;
6) (12x - y - 18 = 0,
х+0,5у – 5 = 0.​

zdima2939    2   04.05.2021 09:27    4