№90 x = -7 + y, 90. 1) (2x - 3y = -16; 2) y = *-5, 4x + y = 10; 2 Ara 8 1-x=3-2y, 3) (x - 5y = -6; Sy = 4-5x, 4) y-7x=-8.

elnerfaiq    3   13.09.2021 09:34    0