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викуля31456
@викуля31456
August 2022
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упростите выражения . (3А-7)+(4-А) , 5(2х-3)+2(7-3х) , (8в+12)-(2-5в)
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Kartinka732
1) (3а - 7) + (4 - а) = 3а - 7 + 4 - а = 2а - 3
2) 5(2х - 3) + 2(7 - 3х) = 10х -15 + 14 - 6х = 4х - 1
3) (8в + 12) - (2 - 5в) = 8в + 12 - 2 + 5в = 13в +10
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Answers & Comments
2) 5(2х - 3) + 2(7 - 3х) = 10х -15 + 14 - 6х = 4х - 1
3) (8в + 12) - (2 - 5в) = 8в + 12 - 2 + 5в = 13в +10