3×7 I need help with this i do not know the answer pls help.

Question

3×7 I need help with this i do not know the answer pls help.

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Doris 4 years 2021-07-29T06:31:05+00:00 1 Answers 11 views 0

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  1. vankhanh
    0
    2021-07-29T06:32:46+00:00
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    Answer:

    21

    Step-by-step explanation:

    7+7+7=21

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