Question

Решите уравнение 15К-13,8К=37,44

Answer 1

15k-13,8=37,44
1,2k=37,44
k=37,44/1,2
k=31,2    вроде 

Answer 2

15k - 13,8k = 37,44
1,2k = 37,44
K = 37,44 : 1,2
K = 31,2