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26 December, 15:46

How do I solve 12x+7y=3100 without guessing and checking

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Answers (1)
  1. 26 December, 15:54
    0
    Step-by-step explanation:

    Subtract

    7

    y

    from both sides of the equation then divide by

    12

    .

    x

    =

    775

    3

    -

    7

    y

    12
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