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    Work: Find the solution of equation （X-2293.5）/X*100% = 0.025 .
    Question type: Equation
    Solution:Original question:

(

X

−

4587 2

)

÷

X

×

100 100

=

1 40

Multiply both sides of the equation by:

X

(

X

−

4587 2

)

×

100 100

=

1 40

X

    Remove a bracket on the left of the equation:：

X

×

100 100

−

4587 2

×

100 100

=

1 40

X

    The equation is reduced to :

X

×

100 100

−

4587 2

=

1 40

X

    Transposition :

100 100

X

−

1 40

X

=

4587 2

    Combine the items on the left of the equation:

39 40

X

=

4587 2

    The coefficient of the unknown number is reduced to 1 :

X

=

4587 2

÷

39 40

=

4587 2

×

40 39

=

1529

×

20 13

    We obtained :

X

=

30580 13

    This is the solution of the equation.

    Convert the result to decimal form :

X

=

2352.307692

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