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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 176 = 66.67/(1+r)+66.67/(1+r)/(1+r)+66.66/(1+r)/(1+r)/(1+r) .
    Question type: Equation
    Solution:Original question:
     176 =
6667
100
÷ (1 + r ) +
6667
100
÷ (1 + r ) ÷ (1 + r ) +
3333
50
÷ (1 + r ) ÷ (1 + r ) ÷ (1 + r )
     Multiply both sides of the equation by:(1 + r )
     176(1 + r ) =
6667
100
+
6667
100
÷ (1 + r ) +
3333
50
÷ (1 + r ) ÷ (1 + r )
    Remove a bracket on the left of the equation::
     176 × 1 + 176 r =
6667
100
+
6667
100
÷ (1 + r ) +
3333
50
÷ (1 + r ) ÷ (1 + r )
    The equation is reduced to :
     176 + 176 r =
6667
100
+
6667
100
÷ (1 + r ) +
3333
50
÷ (1 + r ) ÷ (1 + r )
     Multiply both sides of the equation by:(1 + r )
     176(1 + r ) + 176 r (1 + r ) =
6667
100
(1 + r ) +
6667
100
+
3333
50
÷ (1 + r )
    Remove a bracket on the left of the equation:
     176 × 1 + 176 r + 176 r (1 + r ) =
6667
100
(1 + r ) +
6667
100
+
3333
50
÷ (1 + r )
    Remove a bracket on the right of the equation::
     176 × 1 + 176 r + 176 r (1 + r ) =
6667
100
× 1 +
6667
100
r +
6667
100
+
3333
50
÷ (1 + r )
    The equation is reduced to :
     176 + 176 r + 176 r (1 + r ) =
6667
100
+
6667
100
r +
6667
100
+
3333
50
÷ (1 + r )
    The equation is reduced to :
     176 + 176 r + 176 r (1 + r ) =
6667
50
+
6667
100
r +
3333
50
÷ (1 + r )
     Multiply both sides of the equation by:(1 + r )
     176(1 + r ) + 176 r (1 + r ) + 176 r (1 + r )(1 + r ) =
6667
50
(1 + r ) +
6667
100
r (1 + r ) +
3333
50
    Remove a bracket on the left of the equation:
     176 × 1 + 176 r + 176 r (1 + r ) + 176 r (1 + r )(1 + r ) =
6667
50
(1 + r ) +
6667
100
r (1 + r ) +
3333
50
    Remove a bracket on the right of the equation::
     176 × 1 + 176 r + 176 r (1 + r ) + 176 r (1 + r )(1 + r ) =
6667
50
× 1 +
6667
50
r +
6667
100
r (1 + r ) +
3333
50
    The equation is reduced to :
     176 + 176 r + 176 r (1 + r ) + 176 r (1 + r )(1 + r ) =
6667
50
+
6667
50
r +
6667
100
r (1 + r ) +
3333
50
    The equation is reduced to :
     176 + 176 r + 176 r (1 + r ) + 176 r (1 + r )(1 + r ) = 200 +
6667
50
r +
6667
100
r (1 + r )
    Remove a bracket on the left of the equation:
     176 + 176 r + 176 r × 1 + 176 r r + 176 r (1 + r ) = 200 +
6667
50
r +
6667
100
r (1 + r )
    Remove a bracket on the right of the equation::
     176 + 176 r + 176 r × 1 + 176 r r + 176 r (1 + r ) = 200 +
6667
50
r +
6667
100
r × 1 +
6667
100
r r
    The equation is reduced to :
     176 + 176 r + 176 r + 176 r r + 176 r (1 + r )(1 + r ) = 200 +
6667
50
r +
6667
100
r +
6667
100
r r
    The equation is reduced to :
     176 + 352 r + 176 r r + 176 r (1 + r )(1 + r ) = 200 +
20001
100
r +
6667
100
r r
    Remove a bracket on the left of the equation:
     176 + 352 r + 176 r r + 176 r × 1(1 + r ) + 176 r = 200 +
20001
100
r +
6667
100
r r
    The equation is reduced to :
     176 + 352 r + 176 r r + 176 r (1 + r ) + 176 r r = 200 +
20001
100
r +
6667
100
r r
    Remove a bracket on the left of the equation:
     176 + 352 r + 176 r r + 176 r × 1 + 176 r r = 200 +
20001
100
r +
6667
100
r r
    The equation is reduced to :
     176 + 352 r + 176 r r + 176 r + 176 r r + 176 = 200 +
20001
100
r +
6667
100
r r
    The equation is reduced to :
     176 + 528 r + 176 r r + 176 r r + 176 r r = 200 +
20001
100
r +
6667
100
r r

    
        r≈0.066747 , 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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