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

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

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    From inequality(1)：
         x < 1

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    The final solution set is :
         x < 1

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