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    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 (13-(5/2-1/2)(2+X))(1/5+(1-1/(2+3)) ) = 1 .
    Question type: Equation
    Solution:Original question:
     (13(5 ÷ 21 ÷ 2)(2 + X ))(1 ÷ 5 + (11 ÷ (2 + 3))) = 1
    Remove a bracket on the left of the equation::
     13(1 ÷ 5 + (11 ÷ (2 + 3)))(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3))) = 1
    Remove a bracket on the left of the equation:
     13 × 1 ÷ 5 + 13(11 ÷ (2 + 3))(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3))) = 1
    The equation is reduced to :
     
13
5
+ 13(11 ÷ (2 + 3))(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3))) = 1
    Remove a bracket on the left of the equation:
     
13
5
+ 13 × 113 × 1 ÷ (2 + 3)(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3))) = 1
    The equation is reduced to :
     
13
5
+ 1313 ÷ (2 + 3)(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3))) = 1
    The equation is reduced to :
     
78
5
13 ÷ (2 + 3)(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3))) = 1
     Multiply both sides of the equation by:(2 + 3)
     
78
5
(2 + 3)13(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 1(2 + 3)
    Remove a bracket on the left of the equation:
     
78
5
× 2 +
78
5
× 313(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 1(2 + 3)
    Remove a bracket on the right of the equation::
     
78
5
× 2 +
78
5
× 313(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 1 × 2 + 1 × 3
    The equation is reduced to :
     
156
5
+
234
5
13(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 2 + 3
    The equation is reduced to :
     65(5 ÷ 21 ÷ 2)(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 5
    Remove a bracket on the left of the equation:
     655 ÷ 2 × (2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) + 1 ÷ 2 × (2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 5
    The equation is reduced to :
     65
5
2
(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) +
1
2
(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 5
    Remove a bracket on the left of the equation:
     65
5
2
× 2(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) +
1
2
(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3))) = 5
    The equation is reduced to :
     655(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) +
1
2
(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 5
    Remove a bracket on the left of the equation:
     655 × 1 ÷ 5 × (2 + 3)5(11 ÷ (2 + 3))(2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 5
    The equation is reduced to :
     651(2 + 3)5(11 ÷ (2 + 3))(2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) +
1
2
(2 + X ) = 5
    Remove a bracket on the left of the equation:
     651 × 21 × 35(11 ÷ (2 + 3))(2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 5
    The equation is reduced to :
     65235(11 ÷ (2 + 3))(2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) +
1
2
(2 + X ) = 5
    The equation is reduced to :
     605(11 ÷ (2 + 3))(2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) +
1
2
(2 + X )(1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 5
    Remove a bracket on the left of the equation:
     605 × 1(2 + 3) + 5 × 1 ÷ (2 + 3) × (2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) = 5
    The equation is reduced to :
     605(2 + 3) + 5 ÷ (2 + 3) × (2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3) +
1
2
(2 + X ) = 5
     Multiply both sides of the equation by:(2 + 3)
     60(2 + 3)5(2 + 3)(2 + 3) + 5(2 + 3)
5
2
X (1 ÷ 5 + (11 ÷ (2 + 3)))(2 + 3)(2 + 3) = 5(2 + 3)

    
        X=4
    
    There are 1 solution(s).


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