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mereynarimanova
@mereynarimanova
July 2022
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21х+45=17+14х ПРОШУ...
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RCARM
Переносимости все "иксы" влево, а простые числа вправо, меняя их знаки: 21х-14х=17-457х=28Х=4
4 votes
Thanks 8
mereynarimanova
13Х+70=2Х+15
лееееррррраа
Методом весов
х(21-14)=45-17
7х=28
х=28:7
х=4
Ответ:х=4
6 votes
Thanks 10
mereynarimanova
13Х+70=2Х+15
лееееррррраа
х(13-2)=70-15 11х=55 х=55:11 х=5 Ответ:х=5
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Answers & Comments
х(21-14)=45-17
7х=28
х=28:7
х=4
Ответ:х=4