х - 4 1/2 = 2 1/4
х = 2 1/4 + 4 1/2
х = 9/4 + 9/2 = 27/4 = 6 3/4
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х - 4 1/2 = 2 1/4
х = 2 1/4 + 4 1/2
х = 9/4 + 9/2 = 27/4 = 6 3/4