Пошаговое объяснение:
(х + 1/2) : 1/3 = 7 1/3
х + 1/2 = 7 1/3 * 1/3
х + 1/2 = 22/3 * 1/3
х + 1/2 = 22/9
х = 22/9 - 1/2
х = 44/18 - 9/18
х = 35/18
х = 1 17/18
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Пошаговое объяснение:
(х + 1/2) : 1/3 = 7 1/3
х + 1/2 = 7 1/3 * 1/3
х + 1/2 = 22/3 * 1/3
х + 1/2 = 22/9
х = 22/9 - 1/2
х = 44/18 - 9/18
х = 35/18
х = 1 17/18