1) -5n – 4n ?????????????????????????????????????????

Question

1) -5n – 4n ?????????????????????????????????????????

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Ben Gia 3 months 2021-08-04T18:41:08+00:00 1 Answers 2 views 0

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    2021-08-04T18:42:49+00:00

    Answer: =−9n

    Step-by-step explanation: hope this help

    -5n-4n

    =-5n-4n

    =-5n+-4n

    =-n+-n+-n+-n+-n+-n+-n+-n+-n

    =-9n

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