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19 December, 15:50

Find 8m + 2n=-6 and 8m+7n=0

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  1. 19 December, 16:06
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    Answer: m=-21/20, n=6/5

    Step-by-step explanation:

    8m+2n=-6

    8m+7n=0

    Subtract equation 1 from equation 2

    8m+2n=-6

    0m+5n=6

    Divide equation 2 by 5

    8m+2n=-6

    n=6/5

    Divide equation 1 by 2

    4m+n=-3

    n=6/5

    Subtract equation 2 from equation 1

    4m+0n=-21/5

    Divide it by 4

    m=-21/20
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