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abubakarova14
@abubakarova14
August 2022
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Решите уравнение пж с проверкой 1,7х+21+3,1х=57 даю 10 баллов
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EndlessKid
1,7х+21+3,1х=57
1.7x+3.1x=57-21
4.8x=36
x=7.5
2 votes
Thanks 1
EndlessKid
1.7*7.5+21+3.1*7.5=57
Beherith
1,7x+21+3,1x=57
1,7x+3,1x=57-21
4,8x=36
x=7,5
Ответ: х=7,5
Проверка:
1,7*7,5=12,75
3,1+7,5=23,25
12,75+23,25+21=57
4 votes
Thanks 1
abubakarova14
сспасибо!
Beherith
Не за что :)
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Answers & Comments
1.7x+3.1x=57-21
4.8x=36
x=7.5
1,7x+3,1x=57-21
4,8x=36
x=7,5
Ответ: х=7,5
Проверка:
1,7*7,5=12,75
3,1+7,5=23,25
12,75+23,25+21=57