Ответ:
1) x - 3/7 = 2 4/5
X = 14/5 - 3/7
X = 98 - 15/35
X = 83/35 = 2 13/35
2 ) x - 5/8 x = 2 2/5
8x - 5x/8 = 12/5
3x/8 = 12/5
3x * 5 = 8 * 5
3x = 8
X = 8/3 = 2 2/3
Пошаговое объяснение:
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Ответ:
1) x - 3/7 = 2 4/5
X = 14/5 - 3/7
X = 98 - 15/35
X = 83/35 = 2 13/35
2 ) x - 5/8 x = 2 2/5
8x - 5x/8 = 12/5
3x/8 = 12/5
3x * 5 = 8 * 5
3x = 8
X = 8/3 = 2 2/3
Пошаговое объяснение: