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коше4ка1
@коше4ка1
July 2022
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annasmile123456
1) ||8х+1|-2|=9;
18х+1*|-2
|=9;
18х+2=9;
18х=9-2;
18х=7;
х=7/18; х=0,39.
Ответ: 0,39
2)
|4+|5х+2|
|=9;
4+
|5х+2
|=9;
|5х+2
|=9-4;
|5х+2|=5;
5х+2=5 или 5х+2=-5;
х=3/5 х=-7/5;
х(1)=-7/5 х(2)=3/5
Ответ: -7/5; 3/5.
3)||10х+7|-5
|=13;
|10х+7
|-5=13;
|10х+7
|-5=-13;
х=11/10 или х=-5/2;
х=-5/2 х=11/10;
Ответ: -5/2; 11/10.
Вроде-бы так.
1 votes
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Answers & Comments
18х+1*|-2|=9;
18х+2=9;
18х=9-2;
18х=7;
х=7/18; х=0,39.
Ответ: 0,39
2)|4+|5х+2||=9;
4+|5х+2|=9;
|5х+2|=9-4;
|5х+2|=5;
5х+2=5 или 5х+2=-5;
х=3/5 х=-7/5;
х(1)=-7/5 х(2)=3/5
Ответ: -7/5; 3/5.
3)||10х+7|-5|=13;
|10х+7|-5=13;
|10х+7|-5=-13;
х=11/10 или х=-5/2;
х=-5/2 х=11/10;
Ответ: -5/2; 11/10.
Вроде-бы так.