Which expression is equal to 12x A. 4x + 4x – 4x B. 24x/2 C. (3x)(4x) D. 15x – 3​

Question

Which expression is equal to 12x
A. 4x + 4x – 4x
B. 24x/2
C. (3x)(4x)
D. 15x – 3​

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Eirian 6 months 2021-09-04T11:53:46+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-04T11:55:08+00:00

    Answer:

    B.

    Step-by-step explanation:

    4x + 4x – 4x = 4x

    24x ÷ 2 = 12x

    3x • 4x = 12x^2

    15x – 3 = 15x – 3

    0
    2021-09-04T11:55:28+00:00

    Answer:

    B. 24x/2

    Step-by-step explanation:

    12x

    A. 4x + 4x – 4x = 8x – 4x = 4x

    B. 24x/2  = 24/2 x = 12x

    C. (3x)(4x) = 12 x^2

    D. 15x – 3​ = 15x -3  ( no like terms

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