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16 October, 06:07

Which equation accurately represents this statement? Select three options.

Negative 3 less than 4.9 times a number, x, is the same as 12.8.

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Answers (2)
  1. 16 October, 06:20
    0
    Complete question:

    Which equation accurately represents this statement? Check all that apply.

    Negative 3 less than 4.9 times a number, x, is the same as 12.8

    A: - 3-4.9x=12.8

    B: 4.9x - (-3) = 12.8

    C: 3+4.9x=12.8

    D: (4.9-3) x=12.8

    E: 12.8=4.9x+3

    Answer:

    B: 4.9x - (-3) = 12.8

    C: 3+4.9x=12.8

    E: 12.8=4.9x+3

    Step-by-step explanation:

    The word equation can be expressed mathematically as follows

    negative 3 → - 3

    less than 4.9 times a number, x → 4.9 x - (-3)

    is same as 12.8 → 4.9 x - (-3) = 12.8

    The equation can be expressed as

    4.9 x - (-3) = 12.8

    when you open the bracket, you multiply - 3 time - 1. MInus times minus is equals to plus. so you get

    4.9 x + 3 = 12.8

    12.8 = 4.9x+3
  2. 16 October, 06:20
    0
    X = 2

    Step-by-step explanation:

    4.9x - (-3) = 12.8

    4.9x = 12.8 + (-3)

    4.8x - 12.8 = - 3

    Can be three different forms

    To solve:

    4.9x = 12.8 - 3

    4.9x = 9.8

    x = 2
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