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    Work: Find the solution of equation x+（13*x+54） = 838 .
    Question type: Equation
    Solution:Original question:

x

+

(

13

x

+

54

)

=

838

    Remove the bracket on the left of the equation:

Left side of the equation =

x

+

13

x

+

54

=

14

x

+

54

    The equation is transformed into :

14

x

+

54

=

838

    Transposition :

14

x

=

838

−

54

    Combine the items on the right of the equation:

14

x

=

784

    The coefficient of the unknown number is reduced to 1 :

x

=

784

÷

14

=

784

×

1 14

=

56

×

1

    We obtained :

x

=

56

    This is the solution of the equation.

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