Ответ:
6 11/84
Пошаговое объяснение:
3 3/5 = 18/5
18/5 * (6 5/7 - х) = 2,1
6 5/7 - х = 2,1 : 18/5
6 5/7 - х = 21/10 * 5/18
6 5/7 - х = 7/12
х = 6 5/7 - 7/12
х = 6 60/84 - 49/84
х = 6 11/84
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Verified answer
Ответ:
6 11/84
Пошаговое объяснение:
3 3/5 = 18/5
18/5 * (6 5/7 - х) = 2,1
6 5/7 - х = 2,1 : 18/5
6 5/7 - х = 21/10 * 5/18
6 5/7 - х = 7/12
х = 6 5/7 - 7/12
х = 6 60/84 - 49/84
х = 6 11/84