(6,97х-13,2х)*(- 1 11/89)=-5 2/9 - 3 1/3
-6,23х*(-1 11/89)=-77/9
7х=-77/9
х=-1 2/9
1 11\89 = 100\89
- 697\89Х + 1320\89 = - 47\9 - 10\3
- 7 Х = - 77\9
Х = + 77\9 : 7 = 11\9 = 1 2\9
(6,97х-13,2х)*(- 1 11/89)=-5 2/9 - 3 1/3
-6,23х*(-1 11/89)=-77/9
7х=-77/9
х=-1 2/9
1 11\89 = 100\89
- 697\89Х + 1320\89 = - 47\9 - 10\3
- 7 Х = - 77\9
Х = + 77\9 : 7 = 11\9 = 1 2\9