which expression is equivalent to -4(3d-2)-7

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which expression is equivalent to -4(3d-2)-7

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Phúc Điền 4 years 2021-07-26T16:13:53+00:00 1 Answers 41 views 0

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  1. Neala
    0
    2021-07-26T16:15:13+00:00
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    -12d + 1 is equivalent to -4(3d-2)-7

    Multiply -4 by what’s in the bracket:
    -4(3d-2)
    = -12d + 8

    Then minus 7 from 8
    -12d + 8 – 7
    = -12d + 1

    Answer: -12d + 1

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