4 5/14x-3 11/21x=1 2/3 | *42;
x(4 15/42-3 22/42)=1 28/42;
35/42x=70/42;
x=70/42 : 35/42;
x=2;
ответ: 2.
4 5/14x-3 11/21x=1 2/3 | *42;
x(4 15/42-3 22/42)=1 28/42;
35/42x=70/42;
x=70/42 : 35/42;
x=2;
ответ: 2.