Solve: |x−6|+7≥−1. Write your solution in interval notation.

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Solve: |x−6|+7≥−1. Write your solution in interval notation.

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Trúc Chi 4 years 2021-08-17T07:49:55+00:00 1 Answers 29 views 0

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  1. thuthao
    0
    2021-08-17T07:51:30+00:00
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    Answer:

    -2 ≤ x ≤ 14

    Step-by-step explanation:

    x – 6 + 7 ≥ -1

    x + 1 ≥ -1

    x ≥ -2

    -(x – 6) + 7 ≥ -1

    -x + 6 + 7 ≥ -1

    -x + 13 ≥ -1

    -x ≥ -14

    x ≤ 14

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