5х/18 = 5/9
5х/18 = 10/18
5х = 10
х = 10 : 5
х = 2
Проверка: (5·2)/18 = 5/9
10/18 = 5/9
0,(5) = 0,(5)
25/18 = 5/9
5х/18=5/9
5х/18=10/18
5х=10
х=10:5
х=2
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Verified answer
5х/18 = 5/9
5х/18 = 10/18
5х = 10
х = 10 : 5
х = 2
Проверка: (5·2)/18 = 5/9
10/18 = 5/9
0,(5) = 0,(5)
25/18 = 5/9
5х/18=5/9
5х/18=10/18
5х=10
х=10:5
х=2