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    Work: Find the solution of equation 1936/x*0.8 = 1936/x+88 .
    Question type: Equation
    Solution:Original question:

1936

÷

x

×

4 5

=

1936

÷

x

+

88

Multiply both sides of the equation by:

x

1936

×

4 5

=

1936

÷

1

×

1

+

88

x

    Transposition :

-

88

x

=

1936

÷

1

×

1

−

1936

×

4 5

    Calculate the items on the right of the equation:

-

88

x

=

1936

−

7744 5

    Combine the items on the right of the equation:

-

88

x

=

1936 5

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

-

1936 5

=

88

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 :

88

x

=

-

1936 5

    The coefficient of the unknown number is reduced to 1 :

x

=

-

1936 5

÷

88

=

-

1936 5

×

1 88

=

-

22 5

×

1

    We obtained :

x

=

-

22 5

    This is the solution of the equation.

    Convert the result to decimal form :

x

=

- 4.4

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