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    Work: Find the solution of equation 18x-(8-x)*12 = 114 .
    Question type: Equation
    Solution:Original question:

18

x

−

(

8

−

x

)

×

12

=

114

    Remove the bracket on the left of the equation:

Left side of the equation =

18

x

−

8

×

12

+

x

×

12

=

18

x

−

96

+

x

×

12

=

30

x

−

96

    The equation is transformed into :

30

x

−

96

=

114

    Transposition :

30

x

=

114

+

96

    Combine the items on the right of the equation:

30

x

=

210

    The coefficient of the unknown number is reduced to 1 :

x

=

210

÷

30

=

210

×

1 30

=

7

×

1

    We obtained :

x

=

7

    This is the solution of the equation.

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