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    Work: Find the solution of equation 180*(x-2) = 360*3 .
    Question type: Equation
    Solution:Original question:

180

(

x

−

2

)

=

360

×

3

    Remove the bracket on the left of the equation:

Left side of the equation =

180

x

−

180

×

2

=

180

x

−

360

    The equation is transformed into :

180

x

−

360

=

360

×

3

Right side of the equation =

1080

    The equation is transformed into :

180

x

−

360

=

1080

    Transposition :

180

x

=

1080

+

360

    Combine the items on the right of the equation:

180

x

=

1440

    The coefficient of the unknown number is reduced to 1 :

x

=

1440

÷

180

=

1440

×

1 180

=

8

×

1

    We obtained :

x

=

8

    This is the solution of the equation.

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