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18 September, 06:51

7q + 2p = 29 & 2p - q = 5

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Answers (2)
  1. 18 September, 07:43
    0
    The answer for p is 4 and the answer for q is 3
  2. 18 September, 08:23
    0
    Eliminate p terms

    times 2nd equation by - 1

    q-2p=-5

    add to 2nd equation

    q-2p=-5

    7q+2p=29 +

    8q+0p=24

    8q=24

    divide both sides by 8

    q=3

    sub back

    2p-q=5

    2p-3=5

    add 3

    2p=8

    divide by 2

    p=4

    p=4

    q=3
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