1) 8 2/5 -(х +1/5)=6 2)2 2/9 +(х+1/9)=4
1) 8,2/5 -х -1/5 = 6 -х = 6 -8,2/5 +1/5 -х = -11/5 х = 2,2 №2. 2,2/9 + х + 1/9 = 4 х = 4 - 1/9 - 2,2/9 х = 4 -2,1/3 х = 1,2/3