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On line Solution of Monovariate 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 250*3.2*5.2/(3.2+1.15x)/(5.2+1.15x) = 100 .
    Question type: Equation
    Solution:Original question:
     250 ×
16
5
×
26
5
÷ (
16
5
+
23
20
x ) ÷ (
26
5
+
23
20
x ) = 100
     Multiply both sides of the equation by:(
16
5
+
23
20
x )
     250 ×
16
5
×
26
5
÷ (
26
5
+
23
20
x ) = 100(
16
5
+
23
20
x )
    Remove a bracket on the right of the equation::
     250 ×
16
5
×
26
5
÷ (
26
5
+
23
20
x ) = 100 ×
16
5
+ 100 ×
23
20
x
    The equation is reduced to :
     4160 ÷ (
26
5
+
23
20
x ) = 320 + 115 x
     Multiply both sides of the equation by:(
26
5
+
23
20
x )
     4160 = 320(
26
5
+
23
20
x ) + 115 x (
26
5
+
23
20
x )
    Remove a bracket on the right of the equation::
     4160 = 320 ×
26
5
+ 320 ×
23
20
x + 115 x (
26
5
+
23
20
x )
    The equation is reduced to :
     4160 = 1664 + 368 x + 115 x (
26
5
+
23
20
x )
    Remove a bracket on the right of the equation::
     4160 = 1664 + 368 x + 115 x ×
26
5
+ 115 x ×
23
20
x
    The equation is reduced to :
     4160 = 1664 + 368 x + 598 x +
529
4
x x
    The equation is reduced to :
     4160 = 1664 + 966 x +
529
4
x x

    The solution of the equation:
        x1≈-9.327711 , keep 6 decimal places
        x2≈-4.521739 , keep 6 decimal places
        x3≈-2.782609 , keep 6 decimal places
        x4≈2.023363 , keep 6 decimal places
    
    There are 4 solution(s).


解程的详细方法请参阅:《方程的解法》



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