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

[ 1/1 Equation]
    Work: Find the solution of equation （4500×12×0.9-60%×70X×6.95%）÷(40%×70X+5%×70X) = 3.8% .
    Question type: Equation
    Solution:Original question:

(

4500

×

12

×

9 10

−

60 100

×

70

X

×

139 2000

)

÷

(

40 100

×

70

X

+

5 100

×

70

X

)

=

19 500

Multiply both sides of the equation by:

(

40 100

×

70

X

+

5 100

×

70

X

)

(

4500

×

12

×

9 10

−

60 100

×

70

X

×

139 2000

)

=

19 500

(

40 100

×

70

X

+

5 100

×

70

X

)

    Remove a bracket on the left of the equation:：

4500

×

12

×

9 10

−

60 100

×

70

X

×

139 2000

=

19 500

(

40 100

×

70

X

+

5 100

×

70

X

)

    Remove a bracket on the right of the equation:：

4500

×

12

×

9 10

−

60 100

×

70

X

×

139 2000

=

19 500

×

40 100

×

70

X

+

19 500

×

5 100

×

70

X

    The equation is reduced to :

48600

−

2919 1000

X

=

133 125

X

+

133 1000

X

    The equation is reduced to :

48600

−

2919 1000

X

=

1197 1000

X

    Transposition :

-

2919 1000

X

−

1197 1000

X

=

-

48600

    Combine the items on the left of the equation:

-

1029 250

X

=

-

48600

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :

48600

=

1029 250

X

    If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :

1029 250

X

=

48600

    The coefficient of the unknown number is reduced to 1 :

X

=

48600

÷

1029 250

=

48600

×

250 1029

=

16200

×

250 343

    We obtained :

X

=

4050000 343

    This is the solution of the equation.

    Convert the result to decimal form :

X

=

11807.580175

Your problem has not been solved here? Please take a look at the  hot problems ！