What value of x is in the solution set of -5x-15>10+20

Question

What value of x is in the solution set of -5x-15>10+20

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Thu Cúc 4 years 2021-09-02T07:46:51+00:00 2 Answers 10 views 0

Answers ( )

  1. Amity
    0
    2021-09-02T07:48:08+00:00
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    Answer:

    x< -9

    Step-by-step explanation:

    -5x>10+20+15

    -5x>45

    -5x/-5<45/-5

    x<-9

  2. yenoanh
    0
    2021-09-02T07:48:36+00:00
    Reply

    Answer:

    Resposta:

    x = 1

    Explication

    10x – 9 = x *

    10x – x = + 9

    9x = 9

    x = 9 / 9

    x = 1

    S= { 1 }

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