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[ 1/1 Equation]
    Work: Find the solution of equation X+X*9% = 450 .
    Question type: Equation
    Solution:Original question:

X

+

X

×

9 100

=

450

Left side of the equation =

109 100

X

    The equation is transformed into :

109 100

X

=

450

    The coefficient of the unknown number is reduced to 1 :

X

=

450

÷

109 100

=

450

×

100 109

    We obtained :

X

=

45000 109

    This is the solution of the equation.

    Convert the result to decimal form :

X

=

412.844037

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