Question

8,31к-71=1,11к+1к                     .......................................

Answer 1

8.31k - 71 = 2.11k

8.31k - 2.11k = 71

6.2k = 71

k = 71 / 6.2

k = 710/62

k = 355/31

k = 11   14/31

Answer 2

8,31k-71=2,11k

8,31k-2,11k=71;

6,2k=71

k=710/62

Ответ: k=11 14/31