Question

помогите решить уровнение

Answer 1

5/7 : 6/7х + 3/7 - 1/2 = 1/6
5/7 : 6/7х + 3/7 = 1/2 + 1/6
5/7 : 6/7х + 3/7 = 4/6
5/7 : 6/7х = 4/6 - 3/7
5/7 : 6/7х = 5/21
6/7х = 5/7 : 5/21
6/7х = 3
х = 3 : 6/7
х = 7/2
х = 3 целых 1/2