Write an equation. Let x be the unknown number. 10 is the sum of three and twice a number

Question

Write an equation. Let x be the unknown number.

10 is the sum of three and twice a number

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Hồng Cúc 3 years 2021-09-05T14:28:34+00:00 2 Answers 7 views 0

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  1. Ben
    0
    2021-09-05T14:29:35+00:00
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    10 is the SUM of 3 and TWICE a number
    So 3 and twice a number..would add up to 10. Twice a number is like times a number by 2.
    So let’s write the equation:
    10=3+2x or 3+2x=10

  2. ngockhue
    0
    2021-09-05T14:30:14+00:00
    Reply

    Answer:

    10 = 3 + 2x

    Step-by-step explanation:

    twice the number is 2x

    the sum of 2x and 3 is written as 2x + 3

    2x + 3 =10

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