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Anastasia2045
@Anastasia2045
October 2021
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помогите пожалуйста!!! нужно найти x:
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ekaterinaan
8*(х-1)=11*(2х-3)
8х-8=22х-33
8х-22х=-33+8
-14х=-25
14х=25
х=25/14
х=1,78
0 votes
Thanks 1
Oksana14011977
1 вариант:
11 * (2х - 3) = 8 * (х - 1)
22х - 33 = 8х - 8
22х - 8х = - 8 + 33
14х = 25
х = 25 : 14
х = 1,785714 = 1,79
2 вариант:
8 * (х - 1) = 11 * (2х - 3)
8х - 8 = 22х - 33
8х - 22х = - 33 + 8
- 14х = - 25
14х = 25
х = 25 : 14
х = 1,785714 = 1,79
2 votes
Thanks 1
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Answers & Comments
8х-8=22х-33
8х-22х=-33+8
-14х=-25
14х=25
х=25/14
х=1,78
11 * (2х - 3) = 8 * (х - 1)
22х - 33 = 8х - 8
22х - 8х = - 8 + 33
14х = 25
х = 25 : 14
х = 1,785714 = 1,79
2 вариант:
8 * (х - 1) = 11 * (2х - 3)
8х - 8 = 22х - 33
8х - 22х = - 33 + 8
- 14х = - 25
14х = 25
х = 25 : 14
х = 1,785714 = 1,79