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ледигага4
@ледигага4
June 2022
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9×(x-5)+4×(6-x)=3+3×(x+20)-2x
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irushagrusha15
9×(x-5)+4×(6-x)=3+3×(x+20)-2x
9х-45+24-4х=3+3х+60-2х
5х-21=х+63
5х-х=63+21
4х=84
х=84:4
х=21
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ледигага4
спасибо
irushagrusha15
Не за что
ледигага4
!!!!!
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Answers & Comments
9х-45+24-4х=3+3х+60-2х
5х-21=х+63
5х-х=63+21
4х=84
х=84:4
х=21