1. (3x+y=8
7x + 2 y = 23
2.
(3x-y=0,
5x – y = -4
3.
(2x- y=3,
x+y=3
4.
3x + 4e = 0,
2x + 3y = 1;
5.
5x+6y=-20,
9y + 2x = 25;
6.
(7x+2y=0,
4y + 9x = 10​

SerenaWilliamsisa    2   02.03.2021 07:17    8