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           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation X+X*0.04 = 645 .
    Question type: Equation
    Solution:Original question:

X

+

X

×

1 25

=

645

Left side of the equation =

26 25

X

    The equation is transformed into :

26 25

X

=

645

    The coefficient of the unknown number is reduced to 1 :

X

=

645

÷

26 25

=

645

×

25 26

    We obtained :

X

=

16125 26

    This is the solution of the equation.

    Convert the result to decimal form :

X

=

620.192308

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