Overview: 4 questions will be solved this time.Among them
           ☆4 inequalities

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

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    From inequality(1)：
         x ≥ 1/2

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    The final solution set is :
         x ≥ 1/2
[ 2/4Inequality]
    Assignment:Find the solution set of inequality (y+1)/3-(y-1)/2 >= (y-1)/6 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( y + 1 ) / 3 - ( y - 1 ) / 2 >= ( y - 1 ) / 6         (1)

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    From inequality(1)：
         y ≤ 3

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

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    From inequality(1)：
         x < -15

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    The final solution set is :
         x < -15
[ 4/4Inequality]
    Assignment:Find the solution set of inequality 3(x-2(x-1)) <= 4x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 * ( x - 2 * ( x - 1 ) ) <= 4 * x         (1)

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    From inequality(1)：
         x ≥ 6/7

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    The final solution set is :
         x ≥ 6/7

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