Ответ:
х-4/35=12/35
х=12/35+4/35
х=16/35
(29/42-а)-13/42=11/42
29/42-а=11/42+13/42
29/42-а=24/42
а=29/42-24/42
а=5/42
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Ответ:
х-4/35=12/35
х=12/35+4/35
х=16/35
(29/42-а)-13/42=11/42
29/42-а=11/42+13/42
29/42-а=24/42
а=29/42-24/42
а=5/42
х-4/35+4/35=12/35+4/35
х=16/35
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