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    Work: Find the solution of equation 9000÷x－（9000÷1.2x） = 10 .
    Question type: Equation
    Solution:Original question:

9000

÷

x

−

(

9000

÷

6 5

×

x

)

=

10

Multiply both sides of the equation by:

x

9000

−

(

9000

÷

6 5

×

x

)

x

=

10

x

    Remove a bracket on the left of the equation:：

9000

−

9000

÷

6 5

×

x

x

=

10

x

    The equation is reduced to :

9000

−

7500

x

x

=

10

x

    The solution of the equation:
        x₁≈-1.096112 , keep 6 decimal places
        x₂≈1.094779 , keep 6 decimal places    
    There are 2 solution(s).

解程的详细方法请参阅：《方程的解法》

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