1. х+4 4/19=6 2/19
х=6 2/19 -4 4/19
х= 1 17/19
1 17/19 +4 4/19= 6 2/19
6 2/19= 6 2/19
2. 25-х=8 3/14
-х=-25+8 3/14
-х= - 16 11/14 (×-1)
х= 16 11/14
25-16 11/14=8 3/14
8 3/14=8 3/14
3. 32 - х=9 18/35
-х= 9 18/35 -32
-х= -22 17/35 (×-1)
х= 22 17/35
32-22 17/35=9 18/35
9 18/35=9 18/35