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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 3(1402+0.64t)(1100-t) = (505.8+0.51t)(t-80) .
    Question type: Equation
    Solution:Original question:
     3(1402 +
16
25
t )(1100 − t ) = (
2529
5
+
51
100
t )( t − 80)
    Remove the bracket on the left of the equation:
     Left side of the equation = 3 × 1402(1100 − t ) + 3 ×
16
25
t (1100 − t )
                                             = 4206(1100 − t ) +
48
25
t (1100 − t )
                                             = 4206 × 1100 − 4206 t +
48
25
t (1100 − t )
                                             = 4626600 − 4206 t +
48
25
t (1100 − t )
                                             = 4626600 − 4206 t +
48
25
t × 1100 −
48
25
t t
                                             = 4626600 − 4206 t + 2112 t −
48
25
t t
                                             = 4626600 − 2094 t −
48
25
t t
    The equation is transformed into :
     4626600 − 2094 t −
48
25
t t = (
2529
5
+
51
100
t )( t − 80)
    Remove the bracket on the right of the equation:
     Right side of the equation =
2529
5
( t − 80) +
51
100
t ( t − 80)
                                               =
2529
5
t −
2529
5
× 80 +
51
100
t ( t − 80)
                                               =
2529
5
t − 40464 +
51
100
t ( t − 80)
                                               =
2529
5
t − 40464 +
51
100
t t −
51
100
t × 80
                                               =
2529
5
t − 40464 +
51
100
t t −
204
5
t
                                               = 465 t − 40464 +
51
100
t t
    The equation is transformed into :
     4626600 − 2094 t −
48
25
t t = 465 t − 40464 +
51
100
t t

    the solutions is:
        t≈955.971620 , keep 6 decimal places
    
    There are 1 solution(s).


解方程的详细方法请参阅:《方程的解法》



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