реши уравнение 4/7x+5/14x-10/21x=1/7

4/7 х + 5/14 х -10 / 21 х =1/7

24/42 х + 15/42 х - 20 /42х = 1/7

19/42 х = 1/7  

х = 1/7 /  19 /42

х = 6 /19

4/7x+5/14x-10/21x=1/7

19/42х = 1/7

х = 6/19

Ответ: 6/19