3 3/7(2/11) - (1 3/14(2/11) + 8/21(2/11))
= (23/7)(2/11) - (17/14)(2/11) + (8/21)(2/11)
= 46/77 - 34/154 + 16/231
= 92/154 - 34/154 + 16/231
= (92 - 34 + 16)/231
= 74/231
Therefore, when x = 2/11, the expression 3 3/7х - (1 3/14x + 8/21x) equals 74/231.
3 3/7(2/11) - (1 3/14(2/11) + 8/21(2/11))
= (23/7)(2/11) - (17/14)(2/11) + (8/21)(2/11)
= 46/77 - 34/154 + 16/231
= 92/154 - 34/154 + 16/231
= (92 - 34 + 16)/231
= 74/231
Therefore, when x = 2/11, the expression 3 3/7х - (1 3/14x + 8/21x) equals 74/231.