Solve 9c + 4 = -23 -3 3 -2,1 4

Question

Solve 9c + 4 = -23
-3
3
-2,1
4

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Hải Đăng 3 years 2021-08-24T04:10:19+00:00 2 Answers 7 views 0

Answers ( )

  1. diemkieu
    0
    2021-08-24T04:11:42+00:00
    Reply

    Answer:

    9c = - 23 - 4 \\ = - 27 \\ \frac{9c}{9} = \frac{ - 27}{9} \\ c = - 4

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  2. Euphemia
    0
    2021-08-24T04:12:03+00:00
    Reply

    9c + 4 = -23
    9c = -27
    c = -3

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