If 3a + b + c = -3, a+3b+c = 9, a+b+3c = 19 find a*b*c

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If 3a + b + c = -3, a+3b+c = 9, a+b+3c = 19 find a*b*c

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Tryphena 5 years 2021-08-29T09:35:22+00:00 1 Answers 10 views 0

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  1. Helga
    0
    2021-08-29T09:37:10+00:00
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    Answer:

    a=-4

    b=2

    c=7

    so therefore a*b*c=-4*2*7

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )