Ответ:
Пошаговое объяснение:
(5 +1/7х) - 4 3/10 = 3 7/10
5 + 1/7x = 3 7/10 + 4 3/10
5 + 1/7x = 8
1/7x = 8 - 5
1/7x = 3
x = 3 * 7
x = 21
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Ответ:
Пошаговое объяснение:
(5 +1/7х) - 4 3/10 = 3 7/10
5 + 1/7x = 3 7/10 + 4 3/10
5 + 1/7x = 8
1/7x = 8 - 5
1/7x = 3
x = 3 * 7
x = 21