Mathematics
         
语言:中文    Language:English
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 207.2615/(1+x/12*7)+647/(1+x/12*13)+0.4635/(1+x/12*24) = 796.925 .
    Question type: Equation
    Solution:Original question:
     
414523
2000
÷ (1 + x ÷ 12 × 7) + 647 ÷ (1 + x ÷ 12 × 13) +
927
2000
÷ (1 + x ÷ 12 × 24) =
31877
40
     Multiply both sides of the equation by:(1 + x ÷ 12 × 7)
     
414523
2000
+ 647 ÷ (1 + x ÷ 12 × 13) × (1 + x ÷ 12 × 7) +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7) =
31877
40
(1 + x ÷ 12 × 7)
    Remove a bracket on the left of the equation::
     
414523
2000
+ 647 ÷ (1 + x ÷ 12 × 13) × 1 + 647 ÷ (1 + x ÷ 12 × 13) × x ÷ 12 × 7 +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7) =
31877
40
(1 + x ÷ 12 × 7)
    Remove a bracket on the right of the equation::
     
414523
2000
+ 647 ÷ (1 + x ÷ 12 × 13) × 1 + 647 ÷ (1 + x ÷ 12 × 13) × x ÷ 12 × 7 +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7) =
31877
40
× 1 +
31877
40
x ÷ 12 × 7
    The equation is reduced to :
     
414523
2000
+ 647 ÷ (1 + x ÷ 12 × 13) +
4529
12
÷ (1 + x ÷ 12 × 13) × x +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7) =
31877
40
+
223139
480
x
     Multiply both sides of the equation by:(1 + x ÷ 12 × 13)
     
414523
2000
(1 + x ÷ 12 × 13) + 647 +
4529
12
x +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7)(1 + x ÷ 12 × 13) =
31877
40
(1 + x ÷ 12 × 13) +
223139
480
x (1 + x ÷ 12 × 13)
    Remove a bracket on the left of the equation:
     
414523
2000
× 1 +
414523
2000
x ÷ 12 × 13 + 647 +
4529
12
x +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7) =
31877
40
(1 + x ÷ 12 × 13) +
223139
480
x (1 + x ÷ 12 × 13)
    Remove a bracket on the right of the equation::
     
414523
2000
× 1 +
414523
2000
x ÷ 12 × 13 + 647 +
4529
12
x +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7) =
31877
40
× 1 +
31877
40
x ÷ 12 × 13 +
223139
480
x (1 + x ÷ 12 × 13)
    The equation is reduced to :
     
414523
2000
+
5388799
24000
x + 647 +
4529
12
x +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7)(1 + x ÷ 12 × 13) =
31877
40
+
414401
480
x +
223139
480
x (1 + x ÷ 12 × 13)
    The equation is reduced to :
     
1708523
2000
+
14446799
24000
x +
927
2000
÷ (1 + x ÷ 12 × 24) × (1 + x ÷ 12 × 7)(1 + x ÷ 12 × 13) =
31877
40
+
414401
480
x +
223139
480
x (1 + x ÷ 12 × 13)
     Multiply both sides of the equation by:(1 + x ÷ 12 × 24)
     
1708523
2000
(1 + x ÷ 12 × 24) +
14446799
24000
x (1 + x ÷ 12 × 24) +
927
2000
(1 + x ÷ 12 × 7)(1 + x ÷ 12 × 13) =
31877
40
(1 + x ÷ 12 × 24) +
414401
480
x (1 + x ÷ 12 × 24) +
223139
480
x (1 + x ÷ 12 × 13)(1 + x ÷ 12 × 24)
    Remove a bracket on the left of the equation:
     
1708523
2000
× 1 +
1708523
2000
x ÷ 12 × 24 +
14446799
24000
x (1 + x ÷ 12 × 24) +
927
2000
(1 + x ÷ 12 × 7)(1 + x ÷ 12 × 13) =
31877
40
(1 + x ÷ 12 × 24) +
414401
480
x (1 + x ÷ 12 × 24) +
223139
480
x (1 + x ÷ 12 × 13)(1 + x ÷ 12 × 24)
    Remove a bracket on the right of the equation::
     
1708523
2000
× 1 +
1708523
2000
x ÷ 12 × 24 +
14446799
24000
x (1 + x ÷ 12 × 24) +
927
2000
(1 + x ÷ 12 × 7)(1 + x ÷ 12 × 13) =
31877
40
× 1 +
31877
40
x ÷ 12 × 24 +
414401
480
x (1 + x ÷ 12 × 24) +
223139
480
x (1 + x ÷ 12 × 13)
    The equation is reduced to :
     
1708523
2000
+
1708523
1000
x +
14446799
24000
x (1 + x ÷ 12 × 24) +
927
2000
(1 + x ÷ 12 × 7)(1 + x ÷ 12 × 13) =
31877
40
+
31877
20
x +
414401
480
x (1 + x ÷ 12 × 24) +
223139
480
x (1 + x ÷ 12 × 13)(1 + x ÷ 12 × 24)
    Remove a bracket on the left of the equation:
     
1708523
2000
+
1708523
1000
x +
14446799
24000
x × 1 +
14446799
24000
x x ÷ 12 × 24 +
927
2000
=
31877
40
+
31877
20
x +
414401
480
x (1 + x ÷ 12 × 24) +
223139
480
x (1 + x ÷ 12 × 13)(1 + x ÷ 12 × 24)
    Remove a bracket on the right of the equation::
     
1708523
2000
+
1708523
1000
x +
14446799
24000
x × 1 +
14446799
24000
x x ÷ 12 × 24 +
927
2000
=
31877
40
+
31877
20
x +
414401
480
x × 1 +
414401
480
x x ÷ 12 × 24 +
223139
480
    The equation is reduced to :
     
1708523
2000
+
1708523
1000
x +
14446799
24000
x +
14446799
12000
x x +
927
2000
(1 + x ÷ 12 × 7)(1 + x ÷ 12 × 13) =
31877
40
+
31877
20
x +
414401
480
x +
414401
240
x x +
223139
480
x (1 + x ÷ 12 × 13)(1 + x ÷ 12 × 24)

    The solution of the equation:
        x1≈-1.517162 , keep 6 decimal places
        x2≈-0.923077 , keep 6 decimal places
        x3≈0.075610 , keep 6 decimal places
    
    There are 3 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!





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