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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 ((2500-x)×0.35+450)(1+2(2500-x)/17500) = x-0.05×2500 .
    Question type: Equation
    Solution:Original question:
     ((2500 x ) ×
7
20
+ 450)(1 + 2(2500 x ) ÷ 17500) = x
1
20
× 2500
    Remove the bracket on the left of the equation:
     Left side of the equation = (2500 x ) ×
7
20
(1 + 2(2500 x ) ÷ 17500) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 2500 ×
7
20
(1 + 2(2500 x ) ÷ 17500) x ×
7
20
(1 + 2(2500 x ) ÷ 17500) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 875(1 + 2(2500 x ) ÷ 17500) x ×
7
20
(1 + 2(2500 x ) ÷ 17500) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 875 × 1 + 875 × 2(2500 x ) ÷ 17500 x ×
7
20
(1 + 2(2500 x ) ÷ 17500) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 875 +
1
10
(2500 x ) x ×
7
20
(1 + 2(2500 x ) ÷ 17500) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 875 +
1
10
× 2500
1
10
x x ×
7
20
(1 + 2(2500 x ) ÷ 17500) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 875 + 250
1
10
x x ×
7
20
(1 + 2(2500 x ) ÷ 17500) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 1125
1
10
x x ×
7
20
(1 + 2(2500 x ) ÷ 17500) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 1125
1
10
x x ×
7
20
× 1 x ×
7
20
× 2(2500 x ) ÷ 17500 + 450
                                             = 1125
1
10
x x ×
7
20
x ×
1
25000
(2500 x ) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 1125
9
20
x x ×
1
25000
(2500 x ) + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 1125
9
20
x x ×
1
25000
× 2500 + x ×
1
25000
x + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 1125
9
20
x x ×
1
10
+ x ×
1
25000
x + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 1125
11
20
x + x ×
1
25000
x + 450(1 + 2(2500 x ) ÷ 17500)
                                             = 1125
11
20
x + x ×
1
25000
x + 450 × 1 + 450 × 2(2500 x ) ÷ 17500
                                             = 1125
11
20
x + x ×
1
25000
x + 450 +
9
175
(2500 x )
                                             = 1575
11
20
x + x ×
1
25000
x +
9
175
(2500 x )
                                             = 1575
11
20
x + x ×
1
25000
x +
9
175
× 2500
9
175
x
                                             = 1575
11
20
x + x ×
1
25000
x +
900
7
9
175
x
                                             =
11925
7
421
700
x + x ×
1
25000
x
    The equation is transformed into :
     
11925
7
421
700
x + x ×
1
25000
x = x
1
20
× 2500
     Right side of the equation = x 125
    The equation is transformed into :
     
11925
7
421
700
x + x ×
1
25000
x = x 125

    
        x≈1176.404999 , 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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