3 7/17-х-1 4/7=1 9/17
2 3/17-х=1 9/17
х=2 3/17-1 9/17
х=11/17
Вроде так
............................
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3 7/17-х-1 4/7=1 9/17
2 3/17-х=1 9/17
х=2 3/17-1 9/17
х=11/17
Вроде так
............................