a symbol that represents and unknown quantity is called ??

Question

a symbol that represents and unknown quantity is called ??

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Thu Thảo 5 years 2021-08-19T18:57:58+00:00 2 Answers 15 views 0

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  1. thienan
    0
    2021-08-19T18:59:06+00:00
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    Answer:

    Variables

    Step-by-step explanation:

  2. Verity
    0
    2021-08-19T18:59:41+00:00
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    the answer is a variable

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