Mathematics
         
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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 (800-y)(1200+0.2y) = 854000 .
    Question type: Equation
    Solution:Original question:
     (800 y )(1200 +
1
5
y ) = 854000
    Remove the bracket on the left of the equation:
     Left side of the equation = 800(1200 +
1
5
y ) y (1200 +
1
5
y )
                                             = 800 × 1200 + 800 ×
1
5
y y (1200 +
1
5
y )
                                             = 960000 + 160 y y (1200 +
1
5
y )
                                             = 960000 + 160 y y × 1200 y ×
1
5
y
                                             = 9600001040 y y ×
1
5
y
    The equation is transformed into :
     9600001040 y y ×
1
5
y = 854000

    
        y=100
    
    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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