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 (x-9)÷10 = (1.1x-12)÷12 .
    Question type: Equation
    Solution:Original question:
     ( x 9) ÷ 10 = (
11
10
x 12) ÷ 12
    Remove the bracket on the left of the equation:
     Left side of the equation = x ×
1
10
9 ×
1
10
                                             = x ×
1
10
9
10
    The equation is transformed into :
     
1
10
x
9
10
= (
11
10
x 12) ÷ 12
    Remove the bracket on the right of the equation:
     Right side of the equation =
11
10
x ×
1
12
12 ×
1
12
                                               =
11
120
x 1
    The equation is transformed into :
     
1
10
x
9
10
=
11
120
x 1

    Transposition :
     
1
10
x
11
120
x = - 1 +
9
10

    Combine the items on the left of the equation:
     
1
120
x = - 1 +
9
10

    Combine the items on the right of the equation:
     
1
120
x = -
1
10

    The coefficient of the unknown number is reduced to 1 :
      x = -
1
10
÷
1
120
        = -
1
10
× 120
        = - 1 × 12

    We obtained :
      x = - 12
    This is the solution of the equation.



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