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bagrat1965
@bagrat1965
July 2022
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Номер 91 математика помогите
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fanta2310
Verified answer
Х + 3х + 5 = 17
4х = 17 - 5
4х = 12
х = 12 : 4
х = 3
3,5х + 2,2х = 4,56
5,7х = 4,56
х = 4,56 : 5,7
х = 0,8
3,2у - 2,7у = 0,6
0,5у = 0,6
у = 0,6 : 0,5
у = 1,2
3,7z - z = 0,54
2,7z = 0,54
z = 0,54 : 2,7
z = 0,2
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Answers & Comments
Verified answer
Х + 3х + 5 = 174х = 17 - 5
4х = 12
х = 12 : 4
х = 3
3,5х + 2,2х = 4,56
5,7х = 4,56
х = 4,56 : 5,7
х = 0,8
3,2у - 2,7у = 0,6
0,5у = 0,6
у = 0,6 : 0,5
у = 1,2
3,7z - z = 0,54
2,7z = 0,54
z = 0,54 : 2,7
z = 0,2