12 less than a number is equal to the product of 7 and that number. Convert into an equation and find the number? Please explain

Question

12 less than a number is equal to the product of 7 and that number. Convert into an
equation and find the number?
Please explain it step by step

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Diễm Kiều 4 years 2021-09-03T06:55:33+00:00 1 Answers 9 views 0

Answers ( )

  1. thienthanh
    0
    2021-09-03T06:57:28+00:00
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    Answer:

    x -12 = 7x

    x = -2

    Step-by-step explanation:

    Let the number be x

    12 less than the number is:

    x -12

    equals the product of 7 and that number (7 * x)

    x -12 = 7x

    7x – x = -12

    6x = -12

    x = -12/6

    x = -2

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