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[ 1/1 Equation]
    Work: Find the solution of equation 25x/10x-2*(x/10) = 18/10 .
    Question type: Equation
    Solution:Original question:

25

x

÷

10

×

x

−

2

(

x

÷

10

)

=

18

÷

10

Left side of the equation =

5 2

x

x

−

2

(

x

÷

10

)

    The equation is transformed into :

5 2

x

x

−

2

(

x

÷

10

)

=

18

÷

10

    Remove the bracket on the left of the equation:

Left side of the equation =

5 2

x

x

−

2

x

÷

10

=

5 2

x

x

−

1 5

x

    The equation is transformed into :

5 2

x

x

−

1 5

x

=

18

÷

10

Right side of the equation =

9 5

    The equation is transformed into :

5 2

x

x

−

1 5

x

=

9 5

    The solution of the equation:
        x₁≈-0.809470 , keep 6 decimal places
        x₂≈0.889470 , 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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