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

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

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    From inequality(1)：
         z < -2

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    The final solution set is :
         z < -2
[ 2/2Inequality]
    Assignment:Find the solution set of inequality -2z-6 >-8 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -2 * z - 6 > -8         (1)

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    From inequality(1)：
         z < 1

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    The final solution set is :
         z < 1

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