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3 March, 01:21

A is between B and T. if AB=7y+9, AT=3y+4, and BT=143. find AB

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  1. 3 March, 01:38
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    AB+AT=BT

    (7Y+9) + (3Y+4) = 143

    10Y+13 = 143

    10Y = 130

    Y=13

    AB = 7Y+9

    AB = 7*13+9

    AB=100
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