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[ 1/1 Equation]
    Work: Find the solution of equation 2150000*（1-1.56%）-1312391-（2150000/1.09*0.09-145500/1.09*0.09-100000/1.13*0.13-950700/1.09*0.09-100000/1.09*0.09-16191/1.13*0.13-x/1.03*0.03）*1.12 = x .
    Question type: Equation
    Solution:Original question:

2150000

(

1

−

39 2500

)

−

1312391

−

(

2150000

÷

109 100

×

9 100

−

145500

÷

109 100

×

9 100

−

100000

÷

113 100

×

13 100

−

950700

÷

109 100

×

9 100

)

×

28 25

=

x

    Remove the bracket on the left of the equation:

Left side of the equation =

2150000

×

1

−

2150000

×

39 2500

−

1312391

−

(

2150000

÷

109 100

×

9 100

−

145500

÷

109 100

×

9 100

−

100000

÷

113 100

×

13 100

−

950700

÷

109 100

×

9 100

)

×

28 25

=

2150000

−

33540

−

1312391

−

(

2150000

÷

109 100

×

9 100

−

145500

÷

109 100

×

9 100

−

100000

÷

113 100

×

13 100

−

950700

÷

109 100

×

9 100

)

×

28 25

=

804069

−

(

2150000

÷

109 100

×

9 100

−

145500

÷

109 100

×

9 100

−

100000

÷

113 100

×

13 100

−

950700

÷

109 100

×

9 100

)

×

28 25

=

804069

−

2150000

÷

109 100

×

9 100

×

28 25

+

145500

÷

109 100

×

9 100

×

28 25

+

100000

÷

113 100

×

13 100

=

804069

−

21672000 109

+

1466640 109

+

1456000 113

+

9583056 109

+

1008000 109

+

5893524 2825

+

x

×

84 2575

    
        x≈755480.330326 , keep 6 decimal places    
    There are 1 solution(s).

解一元一次方程的详细方法请参阅：《一元一次方程的解法》

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