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Ответе на B1 и на C1 прошу срочно, можно без объяснений(7 класс)
Ответы 4
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можно лучший ответ?
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Автор:
andrés49 - 6 лет назад
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0
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Без проблем
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Автор:
dropouttiw0 - 6 лет назад
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0
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только спомню как это делаеться
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Автор:
davidson - 6 лет назад
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0
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b1
2(x-3)-(4x+7)=6
2x-6-4x-7=6
-2x-13=6
-2x=19
x=19:(-2)
x=-9,5
c1
-7(a-4)-86=5(a-8)
-7a+28-86=5a-40
-7a-58=5a-40
-12a=18
a=18:(-12)
a=-1,5
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Автор:
roryvang - 6 лет назад
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0
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Автор:
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