Решительно уравнения
1-|x|=7
2-|6+x|=9
3-|4x-3|=9
4-|⅓+x|-2/9=5/12
5-2/7+|0,2-t|=1/7
1-|x|=7
2-|6+x|=9
3-|4x-3|=9
4-|⅓+x|-2/9=5/12
5-2/7+|0,2-t|=1/7
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Answers & Comments
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1. |x|=1-7=-6 решений нет, /х/≥02/ |6+x|=-7 аналогично
3. /4х-3/= -6 то же самое
4. /х+1/3/=4-2/9-5/12=3 13/36 x+1/3=3 13/36 x1=3 1/36
x+1/3=-3 13/36 x2=-3 25/36
5/ |0.2-t|=1/7+2/7-5=3/7-5 <0 решений нет