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    Work: Find the solution of equation a+1 = a/2+2 .
    Question type: Equation
    Solution:Original question:

a

+

1

=

a

÷

2

+

2

    Transposition :

a

−

1 2

a

=

2

−

1

    Combine the items on the left of the equation:

1 2

a

=

2

−

1

    Combine the items on the right of the equation:

1 2

a

=

1

    The coefficient of the unknown number is reduced to 1 :

a

=

1

÷

1 2

=

1

×

2

    We obtained :

a

=

2

    This is the solution of the equation.

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