Mathematics
         
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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 28[1+(0.035x0.50)] = 0 .
    Question type: Equation
    Solution:Original question:
     28(1 + (
7
200
x ×
1
2
)) = 0
    Remove the bracket on the left of the equation:
     Left side of the equation = 28 × 1 + 28(
7
200
x ×
1
2
)
                                             = 28 + 28(
7
200
x ×
1
2
)
                                             = 28 + 28 ×
7
200
x ×
1
2
                                             = 28 +
49
100
x
    The equation is transformed into :
     28 +
49
100
x = 0

    Transposition :
     
49
100
x = 028

    Combine the items on the right of the equation:
     
49
100
x = - 28

    The coefficient of the unknown number is reduced to 1 :
      x = - 28 ÷
49
100
        = - 28 ×
100
49
        = - 4 ×
100
7

    We obtained :
      x = -
400
7
    This is the solution of the equation.

    Convert the result to decimal form :
      x = - 57.142857



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