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Aver1114
@Aver1114
July 2022
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помогите с математикой. срочно.
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DaniilPerov
7 < 5х - 3 < 12
5х - 3 > 7 5х - 3 < 12
5х > 7 + 3 5х < 12 + 3
5х > 10 5х < 15
х > 2 x < 15
Значит: 2 < х < 15
4 <
< 6
4x + 2 4x + 2
---------- > 4 ------------- < 6
3 3
4x + 2 > 4 * 3 4x + 2 < 6 * 3
4x + 2 > 12 4x + 2 < 18
4x > 12 - 2 4x < 18 - 2
4x > 10 4x < 16
x > 2,5 x < 4
Значит : 2,5 < x < 4
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fanta2310
Verified answer
У меня такой вопрос где само задание
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Answers & Comments
5х - 3 > 7 5х - 3 < 12
5х > 7 + 3 5х < 12 + 3
5х > 10 5х < 15
х > 2 x < 15
Значит: 2 < х < 15
4 < < 6
4x + 2 4x + 2
---------- > 4 ------------- < 6
3 3
4x + 2 > 4 * 3 4x + 2 < 6 * 3
4x + 2 > 12 4x + 2 < 18
4x > 12 - 2 4x < 18 - 2
4x > 10 4x < 16
x > 2,5 x < 4
Значит : 2,5 < x < 4
Verified answer
У меня такой вопрос где само задание