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koteika777
@koteika777
July 2022
1
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Решите уравнение подробно расписывая действия
5/(15-х)=20/(10+х)
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KirillLity
Пропорция ОДЗ: 15-x ≠ 0
20(15-x)=5(10+x) x≠15
300-20x=50+5x x≠-10
-20x-5x=-300+50
-25x=-250
x=10
Ответ:10
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Answers & Comments
20(15-x)=5(10+x) x≠15
300-20x=50+5x x≠-10
-20x-5x=-300+50
-25x=-250
x=10
Ответ:10