resolver: [5+(-3+6)+(-2)]-[(-4+10)+(-3)-(-5)]

Question

resolver:
[5+(-3+6)+(-2)]-[(-4+10)+(-3)-(-5)]

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Tài Đức 3 years 2021-07-31T17:41:24+00:00 1 Answers 13 views 0

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    2021-07-31T17:43:01+00:00
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    Answer: -2

    Just be careful of signs

    [ 5 + (3) -2] – [ (6)-3+5]

    [6] – [8]

    6 – 8

    = -2

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