4 3/14-(1/2*x+2 1/6):6 2/3= 3 5/7

4 3/14 - (1/2 * х + 2 1/6) : 6 2/3 = 3 5/7(1/2 * х + 2 1/6) : 6 2/3 = 4 3/14 - 3 5/7(1/2 * х + 2 1/6) : 6 2/3 = 1/21/2 * х + 2 1/6 = 1/2 * 6 2/31/2 * х + 2 1/6 = 3 1/31/2 * х = 3 1/3 - 2 1/61/2 * х = 1 1/6х = 1 1/6 : 1/2х = 7/6 * 2х = 7/3х = 2 целых 1/3- - - - - - - - - - - - - - - - - - - - - - -Пояснения:4 3/14 - 3 5/7 = 3 17/14 - 3 10/14 = 7/14 = 1/21/2 * 6 2/3 = 1/2 * 20/3 = 20/6 = 3 2/6 = 3 1/33 1/3 - 2 1/6 = 3 2/6 - 2 1/6 = 1 1/61 1/6 : 1/2 = 7/6 * 2/1 = (7*1)/(3*1) = 7/3 = 2 1/3