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    Work: Find the solution of equation -4082750+3000000+w-w×10%÷4-450000 = 300000 .
    Question type: Equation
    Solution:Original question:

-

4082750

+

3000000

+

w

−

w

×

10 100

÷

4

−

450000

=

300000

Left side of the equation =

-

4082750

+

3000000

+

w

−

w

×

1 40

−

450000

=

-

1532750

+

39 40

w

    The equation is transformed into :

-

1532750

+

39 40

w

=

300000

    Transposition :

39 40

w

=

300000

+

1532750

    Combine the items on the right of the equation:

39 40

w

=

1832750

    The coefficient of the unknown number is reduced to 1 :

w

=

1832750

÷

39 40

=

1832750

×

40 39

    We obtained :

w

=

73310000 39

    This is the solution of the equation.

    Convert the result to decimal form :

w

=

1879743.589744

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