simplify the expression -2d + -2d – 9 + -9

Question

simplify the expression -2d + -2d – 9 + -9

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Farah 5 years 2021-07-31T05:26:05+00:00 2 Answers 13 views 0

Answers ( )

  1. thienhuong
    0
    2021-07-31T05:27:26+00:00
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    Answer:

    -4d-18

    Step-by-step explanation:

    Combine like terms:

    -2d and -2d can combine since they have the same variable of d creating the term of -4d and -9 and -9 can combine to create -18. Put those together and you get the answer above.

  2. Doris
    0
    2021-07-31T05:27:55+00:00
    Reply

    Answer:

    -4d-18

    Step-by-step explanation:

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