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    Work: Find the solution of equation -2*x+1.8 = 2.47*x/(1+1.47*x) .
    Question type: Equation
    Solution:Original question:

-

2

x

+

9 5

=

247 100

x

÷

(

1

+

147 100

x

)

Multiply both sides of the equation by:

(

1

+

147 100

x

)

-

2

x

(

1

+

147 100

x

)

+

9 5

(

1

+

147 100

x

)

=

247 100

x

    Remove a bracket on the left of the equation:：

-

2

x

×

1

−

2

x

×

147 100

x

+

9 5

(

1

+

147 100

x

)

=

247 100

x

    The equation is reduced to :

-

2

x

−

147 50

x

x

+

9 5

(

1

+

147 100

x

)

=

247 100

x

    Remove a bracket on the left of the equation:

-

2

x

−

147 50

x

x

+

9 5

×

1

+

9 5

×

147 100

x

=

247 100

x

    The equation is reduced to :

-

2

x

−

147 50

x

x

+

9 5

+

1323 500

x

=

247 100

x

    The equation is reduced to :

323 500

x

−

147 50

x

x

+

9 5

=

247 100

x

    The solution of the equation:
        x₁≈-1.151912 , keep 6 decimal places
        x₂≈-0.680272 , keep 6 decimal places
        x₃≈0.531503 , keep 6 decimal places    
    There are 3 solution(s).

解程的详细方法请参阅：《方程的解法》

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