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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 0.7*1.57*(0.5+40*300/16/(x+300))*300 = (9000*9000-(x+600)*(x+600))/1000*35 .
    Question type: Equation
    Solution:Original question:
     
7
10
 ×
157
100
(
1
2
 + 40 × 300 ÷ 16 ÷ ( x + 300)) × 300 = (9000 × 9000 − ( x + 600)( x + 600)) ÷ 1000 × 35
    Remove a bracket on the left of the equation:：
     
7
10
 ×
157
100
 ×
1
2
 × 300 +
7
10
 ×
157
100
 × 40 × 300 ÷ 16 ÷ ( x + 300) × 300 = (9000 × 9000 − ( x + 600)( x + 600)) ÷ 1000 × 35
    Remove a bracket on the right of the equation:：
     
7
10
 ×
157
100
 ×
1
2
 × 300 +
7
10
 ×
157
100
 × 40 × 300 ÷ 16 ÷ ( x + 300) × 300 = 9000 × 9000 ÷ 1000 × 35 − ( x + 600)( x + 600) ÷ 1000 × 35
    The equation is reduced to :
     
3297
20
 + 247275 ÷ ( x + 300) = 2835000 − ( x + 600)( x + 600) ×
7
200
     Multiply both sides of the equation by:( x + 300)
     
3297
20
( x + 300) + 247275 = 2835000( x + 300) − ( x + 600)( x + 600) ×
7
200
( x + 300)
    Remove a bracket on the left of the equation:
     
3297
20
 x +
3297
20
 × 300 + 247275 = 2835000( x + 300) − ( x + 600)( x + 600) ×
7
200
( x + 300)
    Remove a bracket on the right of the equation:：
     
3297
20
 x +
3297
20
 × 300 + 247275 = 2835000 x + 2835000 × 300 − ( x + 600)( x + 600) ×
7
200
( x + 300)
    The equation is reduced to :
     
3297
20
 x + 49455 + 247275 = 2835000 x + 850500000 − ( x + 600)( x + 600) ×
7
200
( x + 300)
    The equation is reduced to :
     
3297
20
 x + 296730 = 2835000 x + 850500000 − ( x + 600)( x + 600) ×
7
200
( x + 300)
    Remove a bracket on the right of the equation:：
     
3297
20
 x + 296730 = 2835000 x + 850500000 − x ( x + 600) ×
7
200
( x + 300) − 600( x + 600) ×
7
200
( x + 300)
    The equation is reduced to :
     
3297
20
 x + 296730 = 2835000 x + 850500000 − x ( x + 600) ×
7
200
( x + 300) − 21( x + 600)( x + 300)
    Remove a bracket on the right of the equation:：
     
3297
20
 x + 296730 = 2835000 x + 850500000 − x x ×
7
200
( x + 300) − x × 600 ×
7
200
( x + 300) − 21
    The equation is reduced to :
     
3297
20
 x + 296730 = 2835000 x + 850500000 − x x ×
7
200
( x + 300) − x × 21( x + 300) − 21( x + 600)
    Remove a bracket on the right of the equation:：
     
3297
20
 x + 296730 = 2835000 x + 850500000 − x x ×
7
200
 x − x x ×
7
200
 × 300 − x
    The equation is reduced to :
     
3297
20
 x + 296730 = 2835000 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    Remove a bracket on the right of the equation:：
     
3297
20
 x + 296730 = 2835000 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    The equation is reduced to :
     
3297
20
 x + 296730 = 2835000 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    The equation is reduced to :
     
3297
20
 x + 296730 = 2828700 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    Remove a bracket on the right of the equation:：
     
3297
20
 x + 296730 = 2828700 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    The equation is reduced to :
     
3297
20
 x + 296730 = 2828700 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    Remove a bracket on the right of the equation:：
     
3297
20
 x + 296730 = 2828700 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    The equation is reduced to :
     
3297
20
 x + 296730 = 2828700 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    The equation is reduced to :
     
3297
20
 x + 296730 = 2822400 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    Remove a bracket on the right of the equation:：
     
3297
20
 x + 296730 = 2822400 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21
    The equation is reduced to :
     
3297
20
 x + 296730 = 2822400 x + 850500000 − x x ×
7
200
 x − x x ×
21
2
 − x × 21

    
        x≈-299.912676 , 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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