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    Work: Find the solution of equation 67%x+6 = 75%x .
    Question type: Equation
    Solution:Original question:

67 100

x

+

6

=

75 100

x

    Transposition :

67 100

x

−

75 100

x

=

-

6

    Combine the items on the left of the equation:

-

2 25

x

=

-

6

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :

6

=

2 25

x

    If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :

2 25

x

=

6

    The coefficient of the unknown number is reduced to 1 :

x

=

6

÷

2 25

=

6

×

25 2

=

3

×

25

    We obtained :

x

=

75

    This is the solution of the equation.

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