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

[ 1/2 Equation]
    Work: Find the solution of equation 2(x-2) = 0 .
    Question type: Equation
    Solution:Original question:

2

(

x

−

2

)

=

0

    Remove the bracket on the left of the equation:

Left side of the equation =

2

x

−

2

×

2

=

2

x

−

4

    The equation is transformed into :

2

x

−

4

=

0

    Transposition :

2

x

=

0

+

4

    Combine the items on the right of the equation:

2

x

=

4

    The coefficient of the unknown number is reduced to 1 :

x

=

4

÷

2

=

4

×

1 2

=

2

×

1

    We obtained :

x

=

2

    This is the solution of the equation.

[ 2/2Inequality]
    Assignment:Find the solution set of inequality 3x-4 <= 11-2x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 * x - 4 <= 11 - 2 * x         (1)

---

    From inequality(1)：
         x ≤ 3

---

    The final solution set is :
         x ≤ 3

---

以下题目输入有误或有空行，请仔细检查，改正后再计算：
1==>错误类型：语法错误(4): 3x+>
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