Mathematics
         
语言：中文    Language:English
                                Equations   
Fold
                                Unary equation
                                Multivariate equation
                                Math OP  
Unfold
                                Linear algebra      
Unfold
                                Derivative function
                                Function image
                                Hot issues
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 1007.5/(1+x/12*5)+818.09/(1+x/12*11) = 1704.69 .
    Question type: Equation
    Solution:Original question:
     
2015
2
 ÷ (1 + x ÷ 12 × 5) +
81809
100
 ÷ (1 + x ÷ 12 × 11) =
170469
100
     Multiply both sides of the equation by:(1 + x ÷ 12 × 5)
     
2015
2
 +
81809
100
 ÷ (1 + x ÷ 12 × 11) × (1 + x ÷ 12 × 5) =
170469
100
(1 + x ÷ 12 × 5)
    Remove a bracket on the left of the equation:：
     
2015
2
 +
81809
100
 ÷ (1 + x ÷ 12 × 11) × 1 +
81809
100
 ÷ (1 + x ÷ 12 × 11) × x ÷ 12 × 5 =
170469
100
(1 + x ÷ 12 × 5)
    Remove a bracket on the right of the equation:：
     
2015
2
 +
81809
100
 ÷ (1 + x ÷ 12 × 11) × 1 +
81809
100
 ÷ (1 + x ÷ 12 × 11) × x ÷ 12 × 5 =
170469
100
 × 1 +
170469
100
 x ÷ 12 × 5
    The equation is reduced to :
     
2015
2
 +
81809
100
 ÷ (1 + x ÷ 12 × 11) +
81809
240
 ÷ (1 + x ÷ 12 × 11) × x =
170469
100
 +
56823
80
 x
     Multiply both sides of the equation by:(1 + x ÷ 12 × 11)
     
2015
2
(1 + x ÷ 12 × 11) +
81809
100
 +
81809
240
 x =
170469
100
(1 + x ÷ 12 × 11) +
56823
80
 x (1 + x ÷ 12 × 11)
    Remove a bracket on the left of the equation:
     
2015
2
 × 1 +
2015
2
 x ÷ 12 × 11 +
81809
100
 +
81809
240
 x =
170469
100
(1 + x ÷ 12 × 11) +
56823
80
 x (1 + x ÷ 12 × 11)
    Remove a bracket on the right of the equation:：
     
2015
2
 × 1 +
2015
2
 x ÷ 12 × 11 +
81809
100
 +
81809
240
 x =
170469
100
 × 1 +
170469
100
 x ÷ 12 × 11 +
56823
80
 x (1 + x ÷ 12 × 11)
    The equation is reduced to :
     
2015
2
 +
22165
24
 x +
81809
100
 +
81809
240
 x =
170469
100
 +
625053
400
 x +
56823
80
 x (1 + x ÷ 12 × 11)
    The equation is reduced to :
     
182559
100
 +
101153
80
 x =
170469
100
 +
625053
400
 x +
56823
80
 x (1 + x ÷ 12 × 11)
    Remove a bracket on the right of the equation:：
     
182559
100
 +
101153
80
 x =
170469
100
 +
625053
400
 x +
56823
80
 x × 1 +
56823
80
 x x ÷ 12 × 11
    The equation is reduced to :
     
182559
100
 +
101153
80
 x =
170469
100
 +
625053
400
 x +
56823
80
 x +
208351
320
 x x
    The equation is reduced to :
     
182559
100
 +
101153
80
 x =
170469
100
 +
56823
25
 x +
208351
320
 x x

    The solution of the equation:
        x1≈-1.660745 , keep 6 decimal places
        x2≈0.111809 , keep 6 decimal places    
    There are 2 solution(s).

解程的详细方法请参阅：《方程的解法》


Your problem has not been solved here? Please go to the Hot Problems section！


Return



  New addition:Lenders ToolBox module（Specific location：Math OP > Lenders ToolBox ），welcome。