? +(-51) = 30 please help me with this question thanks​

Question

? +(-51) = 30
please help me with this question thanks​

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Thu Thủy 5 years 2021-08-06T10:40:35+00:00 1 Answers 18 views 0

Answers ( )

  1. RuslanHeatt
    0
    2021-08-06T10:41:37+00:00
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    Answer:

    81

    Step-by-step explanation:

    By subtracting -50-30 it will give you 81

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