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16 October, 12:31

Is [-1/2x+6/7]-[7/2x-4/7] equivalent to - 4x+2/7?

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  1. 16 October, 12:39
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    (-1/2) x - (7/2) x = - (8/2) x = - 4x

    (6/7) + (4/7) = 10/7 = 1 3/7

    False
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