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    Work: Find the solution of equation (3323+200x)*150+7（36-x） = 0 .
    Question type: Equation
    Solution:Original question:

(

3323

+

200

x

)

×

150

+

7

(

36

−

x

)

=

0

    Remove the bracket on the left of the equation:

Left side of the equation =

3323

×

150

+

200

x

×

150

+

7

(

36

−

x

)

=

498450

+

30000

x

+

7

(

36

−

x

)

=

498450

+

30000

x

+

7

×

36

−

7

x

=

498450

+

30000

x

+

252

−

7

x

=

498702

+

29993

x

    The equation is transformed into :

498702

+

29993

x

=

0

    Transposition :

29993

x

=

0

−

498702

    Combine the items on the right of the equation:

29993

x

=

-

498702

    The coefficient of the unknown number is reduced to 1 :

x

=

-

498702

÷

29993

=

-

498702

×

1 29993

    We obtained :

x

=

-

498702 29993

    This is the solution of the equation.

    Convert the result to decimal form :

x

=

- 16.62728

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