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sanevi
@sanevi
August 2022
1
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Дам 20 помогите плиз найдите x если 0,9|x|=5,4;-|x|+7=10;|x|:0,75=4
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NNNLLL54
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0,9 |x|=5,4 |x| =6 ⇒ x=6 или х=-6
-|x|+7=10 |x|=7-10 |x|=-3 ⇒ нет решений, т.к. |x|≥0
|x|:0,75=4 |x|=4·0,75 |x|=3 ⇒ x=3 или x=-3
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Answers & Comments
Verified answer
0,9 |x|=5,4 |x| =6 ⇒ x=6 или х=-6-|x|+7=10 |x|=7-10 |x|=-3 ⇒ нет решений, т.к. |x|≥0
|x|:0,75=4 |x|=4·0,75 |x|=3 ⇒ x=3 или x=-3