6.8 x + 9.3 6.8 x + 9.3 equals -9.4 + 3.4 (2 minus 5x) ​

Question

6.8 x + 9.3 6.8 x + 9.3 equals -9.4 + 3.4 (2 minus 5x) ​

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Maris 5 years 2021-09-04T16:12:26+00:00 1 Answers 6 views 0

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  1. nguyetanh
    0
    2021-09-04T16:13:54+00:00
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    Answer:

    x=-0.5

    Step-by-step explanation:

    6.8x + 9.3= -9.4 + 3.4 (2-5x)

    6.8x + 9.3 = -9.4 + 6.8 – 17x

    6.8x + 9.3 = -2.6 – 17x

    22.8x = -11.9

    x = -0.5

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