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

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 3-x >= 0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 - x >= 0         (1)

---

    From inequality(1)：
         x ≤ 3

---

    The final solution set is :
         x ≤ 3
[ 2/2 Equation]
    Work: Find the solution of equation x-2 = 0 .
    Question type: Equation
    Solution:Original question:

x

−

2

=

0

    Transposition :

x

=

0

+

2

    Combine the items on the right of the equation:

x

=

2

    This is the solution of the equation.
    This is the solution of the equation.

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