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30 August, 18:37

What is the solution set of the compound inequality x+1<-2x+11<3x+5

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  1. 30 August, 19:06
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    6/5 < x < 10/3 is the desired solution.

    Step-by-step explanation:

    Here, the given compound inequality is:

    x + 1 < - 2 x + 11 < 3 x + 5

    Now, consider the first two term of the inequality, we get:

    x + 1 < - 2 x + 11

    Subtracting 1 from both sides, we get:

    x + 1 - 1 < - 2 x + 11 - 1

    or, x < - 2x + 10

    or, x + 2x < 10

    or, 3 x < 10

    or, x < 10/3

    Similarly, considering the last two terms of the given inequality, we get:

    -2 x + 11 < 3 x + 5

    Subtracting 11 from both sides, we get:

    -2 x + 11 - 11 < 3 x + 5 - 11

    or, - 2 x < 3 x-6

    or, 6 < 5 x

    or, x > 6/5

    Hence, combining two solutions, we get: 6/5 < x < 10/3

    So, the desired value of x should be more than (6/5) but less than (10/3)
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