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    Work: Find the solution of equation (23.2+14.8+14.8)+0.3x = 92 .
    Question type: Equation
    Solution:Original question:

(

116 5

+

74 5

+

74 5

)

+

3 10

x

=

92

    Remove the bracket on the left of the equation:

Left side of the equation =

116 5

+

74 5

+

74 5

+

3 10

x

=

264 5

+

3 10

x

    The equation is transformed into :

264 5

+

3 10

x

=

92

    Transposition :

3 10

x

=

92

−

264 5

    Combine the items on the right of the equation:

3 10

x

=

196 5

    The coefficient of the unknown number is reduced to 1 :

x

=

196 5

÷

3 10

=

196 5

×

10 3

=

196

×

2 3

    We obtained :

x

=

392 3

    This is the solution of the equation.

    Convert the result to decimal form :

x

=

130.666667

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