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    Work: Find the solution of equation (338769-x)/x = 1.29 .
    Question type: Equation
    Solution:Original question:

(

338769

−

x

)

÷

x

=

129 100

Multiply both sides of the equation by:

x

(

338769

−

x

)

=

129 100

x

    Remove a bracket on the left of the equation:：

338769

−

x

=

129 100

x

    Transposition :

-

x

−

129 100

x

=

-

338769

    Combine the items on the left of the equation:

-

229 100

x

=

-

338769

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

338769

=

229 100

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 :

229 100

x

=

338769

    The coefficient of the unknown number is reduced to 1 :

x

=

338769

÷

229 100

=

338769

×

100 229

    We obtained :

x

=

33876900 229

    This is the solution of the equation.

    Convert the result to decimal form :

x

=

147934.061135

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