(3x – 6y = 12,3x + 5y = 100;
j-3x + 5y = -11,
18x + 5y = 11.
(2x – 3y = 9,
® (x + 2y = 1;
(5x + y = 24,
© 17x + 4y = 18.
ſx – y = -3,
b) (2x + 7y = 3;
19x + 4y = -2,
olx + y = -8.
(3x + 8y = 13,
b) 15x – 16y = 7;
(10x +15y = -45,
) 2x – 3y = 33.
это несколько систем которые надо решить