Ответ:
7
Пошаговое объяснение:
5/6:(1/4х-7/12)=3/14+1/2
5/6:(1/4х-7/12)=5/7
1/4х-7/12=5/6:5/7
1/4х-7/12=7/6
1/4х=7/6+7/12
1/4х=7/4
х=7/4:1/4=7
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Ответ:
7
Пошаговое объяснение:
5/6:(1/4х-7/12)=3/14+1/2
5/6:(1/4х-7/12)=5/7
1/4х-7/12=5/6:5/7
1/4х-7/12=7/6
1/4х=7/6+7/12
1/4х=7/4
х=7/4:1/4=7