Which expression is equivalent to 7- 3x +2?​

Question

Which expression is equivalent to 7- 3x +2?​

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Tài Đức 3 weeks 2021-08-26T19:15:45+00:00 1 Answers 0 views 0

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    2021-08-26T19:17:24+00:00

    Answer: 9-3x

    Step-by-step explanation:

    You add like terms

    don’t look at the 3x for now

    positive 7 + positive 2 = 9

    there is a negative sign next to 3x

    9 goes first so

    9 – 3x

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