5:14 < Notes 30-21+50

Question

5:14
< Notes
30-21+50

in progress 0
Linh Đan 4 years 2021-08-21T16:46:24+00:00 1 Answers 4 views 0

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  1. trucchi
    0
    2021-08-21T16:47:50+00:00
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    Answer:

    59

    Step-by-step explanation:

    30-21=9

    9+50=59

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