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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 1.8*12/(12+x)-1.8*10/(10+x) = 0.15 .
    Question type: Equation
    Solution:Original question:
     
9
5
× 12 ÷ (12 + x )
9
5
× 10 ÷ (10 + x ) =
3
20
     Multiply both sides of the equation by:(12 + x )
     
9
5
× 12
9
5
× 10 ÷ (10 + x ) × (12 + x ) =
3
20
(12 + x )
    Remove a bracket on the left of the equation::
     
9
5
× 12
9
5
× 10 ÷ (10 + x ) × 12
9
5
× 10 ÷ (10 + x ) × x =
3
20
(12 + x )
    Remove a bracket on the right of the equation::
     
9
5
× 12
9
5
× 10 ÷ (10 + x ) × 12
9
5
× 10 ÷ (10 + x ) × x =
3
20
× 12 +
3
20
x
    The equation is reduced to :
     
108
5
216 ÷ (10 + x )18 ÷ (10 + x ) × x =
9
5
+
3
20
x
     Multiply both sides of the equation by:(10 + x )
     
108
5
(10 + x )21618 x =
9
5
(10 + x ) +
3
20
x (10 + x )
    Remove a bracket on the left of the equation:
     
108
5
× 10 +
108
5
x 21618 x =
9
5
(10 + x ) +
3
20
x (10 + x )
    Remove a bracket on the right of the equation::
     
108
5
× 10 +
108
5
x 21618 x =
9
5
× 10 +
9
5
x +
3
20
x (10 + x )
    The equation is reduced to :
     216 +
108
5
x 21618 x = 18 +
9
5
x +
3
20
x (10 + x )
    The equation is reduced to :
     0 +
18
5
x = 18 +
9
5
x +
3
20
x (10 + x )
    Remove a bracket on the right of the equation::
     
18
5
x = 18 +
9
5
x +
3
20
x × 10 +
3
20
x x
    The equation is reduced to :
     
18
5
x = 18 +
9
5
x +
3
2
x +
3
20
x x
    The equation is reduced to :
     
18
5
x = 18 +
33
10
x +
3
20
x x
    
    There are 0 solution(s).


解程的详细方法请参阅:《方程的解法》



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