5,(4) · х - 1 = 0
5,(4) = 5 4/9 = 49/9
49х/9 - 1 = 0
49х/9 = 1
х = 1 : 49/9
х = 9/49
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Verified answer
5,(4) · х - 1 = 0
5,(4) = 5 4/9 = 49/9
49х/9 - 1 = 0
49х/9 = 1
х = 1 : 49/9
х = 9/49