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dimagorelik
@dimagorelik
July 2022
1
20
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0.3(8-3x)=3.2-0.8(x-7)
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katyastoyakina
2,4-0,9х=3,2-0,8х+5,6
-0,9х+0,8х=5,6+3,2-2,4
-0,1х=6,4
х=-64
4 votes
Thanks 7
dimagorelik
а это точно
katyastoyakina
подставь -64 и посчитай
katyastoyakina
я не знаю
katyastoyakina
мб в вычислениях ошибка
katyastoyakina
а так метод решения точно такой
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Answers & Comments
-0,9х+0,8х=5,6+3,2-2,4
-0,1х=6,4
х=-64