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(3x / 5 - 4) + (2 / 3)( x - (3x / 5 - 4) ) + 2 + (4 / 7)(x - (3x / 5 - 4) - ( (2 / 3)( x - (3x / 5 - 4) ) + 2 ) ) - 5 + 17 = x
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