1)3 7/8 + (x - 2 4/9 ) = 8 5/18
х-2 4/9= 8 5/18 - 3 7/8
х- 2 4 /9=4 29/72
х= 4 29/72 +2 4/9
х= 6 61/72
2) 9 3/20 - (3 1/5 + x) = 2 11/20
3 1/5+х= 9 3/20- 2 11/20= 6 3/5
х= 6 3/5 - 3 1/5
х= 3 2/5
1)3 7/8 + (x - 2 4/9 ) = 8 5/18
х-2 4/9= 8 5/18 - 3 7/8
х- 2 4 /9=4 29/72
х= 4 29/72 +2 4/9
х= 6 61/72
2) 9 3/20 - (3 1/5 + x) = 2 11/20
3 1/5+х= 9 3/20- 2 11/20= 6 3/5
х= 6 3/5 - 3 1/5
х= 3 2/5