25/6-(1,375-X)=41/12
25/6 - (1375/1000 - х) = 41/12 25/6 - 1375/1000 + х = 41/12 х = 41/12 - 25/6 + 1375/1000 х = 41/12 - 50/12 + 1375/1000 х = - 9/12 + 1375/1000 х = - 3/4 + 11/8 х = 11/8 - 6/8 х = 5/8