Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 3x−4 ≤6+x3x-4 ≤6+x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        3 * x - 4 ≤6 + x * 3 * x - 4         (1)
        6 + x * 3 * x - 4 ≤6 + x         (2)

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    From inequality(1)：
         x ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(2)：
         -1 ≤ x ≤ 4/3

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    From inequalities (1) and (2)
         -1 ≤ x ≤ 4/3    (3)

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    The final solution set is :
         -1 ≤ x ≤ 4/3

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