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17 November, 06:39

A = 12b + 3

a = - 2b-4

Equal values method

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Answers (1)
  1. 17 November, 09:01
    0
    12b+3=-2b-4

    14b=-7

    b=-1/2

    Check

    -2 (-1/2) - 4 = -3

    12 (-1/2) + 3=-3
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