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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 3(1-x) <2(x+9) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 * ( 1 - x ) <2 * ( x + 9 )         (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-3)/5-(x+4)/2 <= -7/5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( x - 3 ) / 5 - ( x + 4 ) / 2 <= -7 / 5         (1)

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    From inequality(1)：
         x ≥ -4

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    The final solution set is :
         x ≥ -4

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