Use mental math to find a solution for 2 over eight= 3over x+2

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Use mental math to find a solution for 2 over eight= 3over x+2

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Linh Đan 3 years 2021-07-31T14:28:04+00:00 2 Answers 9 views 0

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    2021-07-31T14:29:11+00:00

    The Answer: x= −12/7

    0
    2021-07-31T14:29:19+00:00

    X=10

    2/8=3/x+2

    1/4=3/x+2

    X+2=12

    X=10

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