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20 December, 05:24

If a+b+c=8 and x+y=7 what is - 8y-2c-2b-8x-2a

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  1. 20 December, 09:07
    0
    -40

    Step-by-step explanation:

    Try rearranging and factoring - 8y-2c-2b-8x-2a:

    This is equal to - 8 (x + y) - 2 (a + b + c).

    Since x + y = 7, we have:

    -8 (7) - 2 (a + b + c)

    and since a + b + c = 8, we end up with:

    -56 - 2 (8), or

    -56 - 16 = - 40
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