It is known that 6 < a < 10. Find all possible values of the expression 2 - a. (Please help me, I don't remember how to solve these pr

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It is known that 6 < a < 10. Find all possible values of the expression 2 – a. (Please help me, I don’t remember how to solve these problems!)

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Khánh Gia 4 years 2021-08-22T06:49:57+00:00 1 Answers 13 views 0

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  1. Dulcie
    0
    2021-08-22T06:51:04+00:00
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    a can equal 7, 8 or 9
    so 2 – a can equal -5, -6 or -7

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