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[ 1/1 Equation]
    Work: Find the solution of equation 5/9*（x） = 1 .
    Question type: Equation
    Solution:Original question:

5

÷

9

×

(

x

)

=

1

Left side of the equation =

5 9

(

x

)

    The equation is transformed into :

5 9

(

x

)

=

1

    Remove the bracket on the left of the equation:

Left side of the equation =

5 9

x

    The equation is transformed into :

5 9

x

=

1

    The coefficient of the unknown number is reduced to 1 :

x

=

1

÷

5 9

=

1

×

9 5

    We obtained :

x

=

9 5

    This is the solution of the equation.

    Convert the result to decimal form :

x

=

1.8

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