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    Work: Find the solution of equation 6x+4+4x-2 = 22 .
    Question type: Equation
    Solution:Original question:

6

x

+

4

+

4

x

−

2

=

22

Left side of the equation =

10

x

+

2

    The equation is transformed into :

10

x

+

2

=

22

    Transposition :

10

x

=

22

−

2

    Combine the items on the right of the equation:

10

x

=

20

    The coefficient of the unknown number is reduced to 1 :

x

=

20

÷

10

=

20

×

1 10

=

2

×

1

    We obtained :

x

=

2

    This is the solution of the equation.

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