Find the value of b if the two points (b,5) and (3b,7) have a slope of 10

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Find the value of b if the two points (b,5) and (3b,7) have a slope of 10

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Cherry 5 years 2021-08-28T14:33:16+00:00 1 Answers 12 views 0

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  1. Nem
    0
    2021-08-28T14:34:36+00:00
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    Answer:

    -20/3

    Step-by-step explanation:

    it would be 7-5/3b-b=10

    2/3b-b=10 then multiply 2 on both sides

    3b-b=20 divide 3 on both sides

    20/3

    -b=20/3

    -b/1=20/3 cross multiply

    -20/3

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