х + 4 1/5 = 2 1/3
х + 4 3/15 = 2 5/15
х = 2 5/15 - 4 3/15
х = -1 13/15
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Проверка:
-1 13/15 + 4 1/5 = 2 1/3
4 3/15 - 1 13/15 = 2 1/3
3 18/15 - 1 13/15 = 2 1/3
2 5/15 = 2 1/3 - верно.
х + 4 1/5 = 2 1/3
х + 4 3/15 = 2 5/15
х = 2 5/15 - 4 3/15
х = -1 13/15
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Проверка:
-1 13/15 + 4 1/5 = 2 1/3
4 3/15 - 1 13/15 = 2 1/3
3 18/15 - 1 13/15 = 2 1/3
2 5/15 = 2 1/3 - верно.