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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.
    It supports equations that contain mathematical functions.
    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 1.03*18.81+x+30+15+(1.03*18.81+x+30+15)*0.15 = 210 .
    Question type: Equation
    Solution:Original question:
     
103
100
 ×
1881
100
 + x + 30 + 15 + (
103
100
 ×
1881
100
 + x + 30 + 15) ×
3
20
 = 210
     Left side of the equation =
193743
10000
 + x + 30 + 15 + (
103
100
 ×
1881
100
 + x + 30 + 15) ×
3
20
                                             =
643743
10000
 + x + (
103
100
 ×
1881
100
 + x + 30 + 15) ×
3
20
    The equation is transformed into :
     
643743
10000
 + x + (
103
100
 ×
1881
100
 + x + 30 + 15) ×
3
20
 = 210
    Remove the bracket on the left of the equation:
     Left side of the equation =
643743
10000
 + x +
103
100
 ×
1881
100
 ×
3
20
 + x ×
3
20
 + 30 ×
3
20
 + 15 ×
3
20
                                             =
643743
10000
 + x +
581229
200000
 + x ×
3
20
 +
9
2
 +
9
4

    
        x≈118.234396 , 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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