What expression is equivalent to -9(-5z-2)-7

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What expression is equivalent to -9(-5z-2)-7

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Nguyệt Ánh 4 years 2021-08-23T04:08:46+00:00 1 Answers 2 views 0

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  1. thienthanh
    0
    2021-08-23T04:10:43+00:00
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    Answer: 45z + 11

    Explanation:

    -9(-5z – 2) – 7
    = 45z + 18 – 7
    = 45z + 11

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