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On line Solution of Monovariate Equation:
    Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
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    Current location:Equations > Monovariate Equation > The history of univariate equation calculation > Answer

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

[ 1/1 Equation]
    Work: Find the solution of equation 20000/(x+103*0.12)+20000/(x+103*0.2) = 150 .
    Question type: Equation
    Solution:Original question:
     20000 ÷ ( x + 103 ×
3
25
) + 20000 ÷ ( x + 103 ×
1
5
) = 150
     Multiply both sides of the equation by:( x + 103 ×
3
25
)
     20000 + 20000 ÷ ( x + 103 ×
1
5
) × ( x + 103 ×
3
25
) = 150( x + 103 ×
3
25
)
    Remove a bracket on the left of the equation::
     20000 + 20000 ÷ ( x + 103 ×
1
5
) × x + 20000 ÷ ( x + 103 ×
1
5
) × 103 ×
3
25
= 150( x + 103 ×
3
25
)
    Remove a bracket on the right of the equation::
     20000 + 20000 ÷ ( x + 103 ×
1
5
) × x + 20000 ÷ ( x + 103 ×
1
5
) × 103 ×
3
25
= 150 x + 150 × 103 ×
3
25
    The equation is reduced to :
     20000 + 20000 ÷ ( x + 103 ×
1
5
) × x + 247200 ÷ ( x + 103 ×
1
5
) = 150 x + 1854
     Multiply both sides of the equation by:( x + 103 ×
1
5
)
     20000( x + 103 ×
1
5
) + 20000 x + 247200 = 150 x ( x + 103 ×
1
5
) + 1854( x + 103 ×
1
5
)
    Remove a bracket on the left of the equation:
     20000 x + 20000 × 103 ×
1
5
+ 20000 x + 247200 = 150 x ( x + 103 ×
1
5
) + 1854( x + 103 ×
1
5
)
    Remove a bracket on the right of the equation::
     20000 x + 20000 × 103 ×
1
5
+ 20000 x + 247200 = 150 x x + 150 x × 103 ×
1
5
+ 1854( x + 103 ×
1
5
)
    The equation is reduced to :
     20000 x + 412000 + 20000 x + 247200 = 150 x x + 3090 x + 1854( x + 103 ×
1
5
)
    The equation is reduced to :
     40000 x + 659200 = 150 x x + 3090 x + 1854( x + 103 ×
1
5
)
    Remove a bracket on the right of the equation::
     40000 x + 659200 = 150 x x + 3090 x + 1854 x + 1854 × 103 ×
1
5
    The equation is reduced to :
     40000 x + 659200 = 150 x x + 3090 x + 1854 x +
190962
5
    The equation is reduced to :
     40000 x + 659200 = 150 x x + 4944 x +
190962
5

    
        x≈-16.543639 , 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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