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    Work: Find the solution of equation [2(m+1 ) ) = 0 .
    Question type: Equation
    Solution:Original question:

(

2

(

m

+

1

)

)

=

0

    Remove the bracket on the left of the equation:

Left side of the equation =

2

(

m

+

1

)

=

2

m

+

2

×

1

=

2

m

+

2

    The equation is transformed into :

2

m

+

2

=

0

    Transposition :

2

m

=

0

−

2

    Combine the items on the right of the equation:

2

m

=

-

2

    The coefficient of the unknown number is reduced to 1 :

m

=

-

2

÷

2

=

-

2

×

1 2

=

-

1

×

1

    We obtained :

m

=

-

1

    This is the solution of the equation.

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