Ответ:
Пошаговое объяснение:
1) x - 9 = 98 : 7
x - 9 = 14
x = 14 + 9
x = 23
__________
2) (3x + 1) = 3*14:7
3x + 1 = 6
3x = 5
x = 5/3 = 1 целая 2/3
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Ответ:
Пошаговое объяснение:
1) x - 9 = 98 : 7
x - 9 = 14
x = 14 + 9
x = 23
__________
2) (3x + 1) = 3*14:7
3x + 1 = 6
3x = 5
x = 5/3 = 1 целая 2/3