Ответ:
3.
Объяснение:
(192 : (5х – 3) -7)/9 = 10005/10005
(192 : (5х – 3) -7)/9 = 1
192 : (5х – 3) -7 = 1•9
192 : (5х – 3) = 9 + 7
192 : (5х – 3) = 16
5х - 3 = 192:16
5х - 3 = 12
5х = 3 + 12
5х = 15
х = 15:5
х = 3
Ответ: 3.
Проверка:
(192 : (5•3 – 3) -7)/9 = 10005/10005
(192:12-7)/9 = 1
(16-7):9 = 1
9:9 = 1
1 = 1 - верно.
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Ответ:
3.
Объяснение:
(192 : (5х – 3) -7)/9 = 10005/10005
(192 : (5х – 3) -7)/9 = 1
192 : (5х – 3) -7 = 1•9
192 : (5х – 3) = 9 + 7
192 : (5х – 3) = 16
5х - 3 = 192:16
5х - 3 = 12
5х = 3 + 12
5х = 15
х = 15:5
х = 3
Ответ: 3.
Проверка:
(192 : (5•3 – 3) -7)/9 = 10005/10005
(192:12-7)/9 = 1
(16-7):9 = 1
9:9 = 1
1 = 1 - верно.