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викуля149
@викуля149
September 2021
1
13
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решить -5(a+7)-2a
спасибо
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elyaivanova
-5(а+7)-2а=0
-5-35-2а=0
-7а-35=0
-7а=35 | /(-7)
а=-5
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Answers & Comments
-5-35-2а=0
-7а-35=0
-7а=35 | /(-7)
а=-5