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    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 243.45 = 273.21/(1+x/(12*11))-13.53/(1+x/(12*8)) .
    Question type: Equation
    Solution:Original question:
     
4869
20
=
27321
100
÷ (1 + x ÷ (12 × 11))
1353
100
÷ (1 + x ÷ (12 × 8))
     Multiply both sides of the equation by:(1 + x ÷ (12 × 11))
     
4869
20
(1 + x ÷ (12 × 11)) =
27321
100
1353
100
÷ (1 + x ÷ (12 × 8)) × (1 + x ÷ (12 × 11))
    Remove a bracket on the left of the equation::
     
4869
20
× 1 +
4869
20
x ÷ (12 × 11) =
27321
100
1353
100
÷ (1 + x ÷ (12 × 8)) × (1 + x ÷ (12 × 11))
    Remove a bracket on the right of the equation::
     
4869
20
× 1 +
4869
20
x ÷ (12 × 11) =
27321
100
1353
100
÷ (1 + x ÷ (12 × 8)) × 1
1353
100
÷ (1 + x ÷ (12 × 8)) × x ÷ (12 × 11)
    The equation is reduced to :
     
4869
20
+
4869
20
x ÷ (12 × 11) =
27321
100
1353
100
÷ (1 + x ÷ (12 × 8))
1353
100
÷ (1 + x ÷ (12 × 8)) × x ÷ (12 × 11)
     Multiply both sides of the equation by:(12 × 11) ,  (1 + x ÷ (12 × 8))
     
4869
20
(12 × 11)(1 + x ÷ (12 × 8)) +
4869
20
x (1 + x ÷ (12 × 8)) =
27321
100
(12 × 11)(1 + x ÷ (12 × 8))
1353
100
(12 × 11)
1353
100
x ÷ (12 × 11) × (12 × 11)
    Remove a bracket on the left of the equation:
     
4869
20
× 12 × 11(1 + x ÷ (12 × 8)) +
4869
20
x (1 + x ÷ (12 × 8)) =
27321
100
(12 × 11)(1 + x ÷ (12 × 8))
1353
100
(12 × 11)
1353
100
x ÷ (12 × 11) × (12 × 11)
    Remove a bracket on the right of the equation::
     
4869
20
× 12 × 11(1 + x ÷ (12 × 8)) +
4869
20
x (1 + x ÷ (12 × 8)) =
27321
100
× 12 × 11(1 + x ÷ (12 × 8))
1353
100
(12 × 11)
1353
100
x ÷ (12 × 11) × (12 × 11)
    The equation is reduced to :
     
160677
5
(1 + x ÷ (12 × 8)) +
4869
20
x (1 + x ÷ (12 × 8)) =
901593
25
(1 + x ÷ (12 × 8))
1353
100
(12 × 11)
1353
100
x ÷ (12 × 11) × (12 × 11)
     Multiply both sides of the equation by:(12 × 11)
     
160677
5
(1 + x ÷ (12 × 8))(12 × 11) +
4869
20
x (1 + x ÷ (12 × 8))(12 × 11) =
901593
25
(1 + x ÷ (12 × 8))(12 × 11)
1353
100
(12 × 11)(12 × 11)
1353
100
x (12 × 11)
    Remove a bracket on the left of the equation:
     
160677
5
× 1(12 × 11) +
160677
5
x ÷ (12 × 8) × (12 × 11) +
4869
20
x (1 + x ÷ (12 × 8))(12 × 11) =
901593
25
(1 + x ÷ (12 × 8))(12 × 11)
1353
100
(12 × 11)(12 × 11)
1353
100
x (12 × 11)
    Remove a bracket on the right of the equation::
     
160677
5
× 1(12 × 11) +
160677
5
x ÷ (12 × 8) × (12 × 11) +
4869
20
x (1 + x ÷ (12 × 8))(12 × 11) =
901593
25
× 1(12 × 11) +
901593
25
x ÷ (12 × 8) × (12 × 11)
1353
100
(12 × 11)(12 × 11)
1353
100
x
    The equation is reduced to :
     
160677
5
(12 × 11) +
160677
5
x ÷ (12 × 8) × (12 × 11) +
4869
20
x (1 + x ÷ (12 × 8))(12 × 11) =
901593
25
(12 × 11) +
901593
25
x ÷ (12 × 8) × (12 × 11)
1353
100
(12 × 11)(12 × 11)
1353
100
x (12 × 11)
     Multiply both sides of the equation by:(12 × 8) ,  (12 × 8)
     
160677
5
(12 × 11)(12 × 8)(12 × 8) +
160677
5
x (12 × 11)(12 × 8) +
4869
20
x (1 + x ÷ (12 × 8))(12 × 11) =
901593
25
(12 × 11)(12 × 8)(12 × 8) +
901593
25
x (12 × 11)(12 × 8)
1353
100
(12 × 11)(12 × 11)(12 × 8)
    Remove a bracket on the left of the equation:
     
160677
5
× 12 × 11(12 × 8)(12 × 8) +
160677
5
x (12 × 11)(12 × 8) +
4869
20
x (1 + x ÷ (12 × 8)) =
901593
25
(12 × 11)(12 × 8)(12 × 8) +
901593
25
x (12 × 11)(12 × 8)
1353
100
(12 × 11)(12 × 11)(12 × 8)
    Remove a bracket on the right of the equation::
     
160677
5
× 12 × 11(12 × 8)(12 × 8) +
160677
5
x (12 × 11)(12 × 8) +
4869
20
x (1 + x ÷ (12 × 8)) =
901593
25
× 12 × 11(12 × 8)(12 × 8) +
901593
25
x (12 × 11)(12 × 8)
1353
100
(12 × 11)(12 × 11)
    The equation is reduced to :
     
21209364
5
(12 × 8)(12 × 8) +
160677
5
x (12 × 11)(12 × 8) +
4869
20
x (1 + x ÷ (12 × 8))(12 × 11)(12 × 8) =
119010276
25
(12 × 8)(12 × 8) +
901593
25
x (12 × 11)(12 × 8)
1353
100
(12 × 11)(12 × 11)(12 × 8)(12 × 8)
    Remove a bracket on the left of the equation:
     
21209364
5
× 12 × 8(12 × 8) +
160677
5
x (12 × 11)(12 × 8) +
4869
20
x (1 + x ÷ (12 × 8))(12 × 11) =
119010276
25
(12 × 8)(12 × 8) +
901593
25
x (12 × 11)(12 × 8)
1353
100
(12 × 11)(12 × 11)(12 × 8)(12 × 8)
    Remove a bracket on the right of the equation::
     
21209364
5
× 12 × 8(12 × 8) +
160677
5
x (12 × 11)(12 × 8) +
4869
20
x (1 + x ÷ (12 × 8))(12 × 11) =
119010276
25
× 12 × 8(12 × 8) +
901593
25
x (12 × 11)(12 × 8)
1353
100
(12 × 11)(12 × 11)(12 × 8)

    The solution of the equation:
        x1≈-94.170247 , keep 6 decimal places
        x2≈8.970986 , keep 6 decimal places
    
    There are 2 solution(s).


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