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mar19982013
@mar19982013
July 2022
2
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решите уравнение корень 19-3х=1
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русская25
√
19-3х=1
(
√19 -3х)² = 1²
19 - 3х= 1
-3х= 1 - 19
-3х = -18
х= -18 : (-3)
х= 6
Проверка:
√
19 - 3*6 =
√
19 -18= 1 (верно).
Ответ: 6.
1 votes
Thanks 1
mar19982013
это под корнем решено?
русская25
левая часть под корнем?
mar19982013
да
Melaniyalina
19-3x=1
-3x=-18
x=6
Корень 6
0 votes
Thanks 1
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Answers & Comments
(√19 -3х)² = 1²
19 - 3х= 1
-3х= 1 - 19
-3х = -18
х= -18 : (-3)
х= 6
Проверка: √19 - 3*6 = √19 -18= 1 (верно).
Ответ: 6.
-3x=-18
x=6
Корень 6