Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

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

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    From inequality(1)：
         x ＞ -3

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    The final solution set is :
         x ＞ -3
[ 2/2Inequality]
    Assignment:Find the solution set of inequality (x-1)/3 ≤(x+1)/9 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x - 1 ) / 3 ≤ ( x + 1 ) / 9         (1)

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    From inequality(1)：
         x ≤ 2

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    The final solution set is :
         x ≤ 2

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