8 2/15 - (х + 3 5/14 ) : 5 5/8 = 7 1/3(х + 3 5/14) : 5 5/8 = 8 2/15 - 7 1/3(х + 3 5/14) : 5 5/8 = 7 17/15 - 7 5/15(х + 3 5/14) : 5 5/8 = 4/5х + 3 5/14 = 4/5 * 5 5/8х + 3 5/14 = 4/5 * 45/8х+ 3 5/14 = 9/2х + 3 5/14 = 4 1/2х= 4 1/2 - 3 5/14 = 4 7/14 - 3 5/14 = 1 2/14х= 1 1/7проверим:8 2/15 - ( 1 1/7 + 3 5/14 ) : 5 5/8 = 7 1/38 2/15 - ( 1 2/14 + 3 5/14 ) : 5 5/8 = 7 1/38 2/15 - 4 1/2 : 5 5/8 = 7 1/38 2/15 - 9/2 * 8/45 = 7 1/38 2/15 - (1*4)/(1*9) = 7 1/38 2/15 - 4/9 = 7 1/38 6/45 - 36/45 = 7 1/37 51/45 - 36/45 = 7 1/37 15/45 = 7 1/37 1/3 = 7 1/3