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    Work: Find the solution of equation 61.2+0.18x/93+0.6x = 0 .
    Question type: Equation
    Solution:Original question:

306 5

+

9 50

x

÷

93

+

3 5

x

=

0

Left side of the equation =

306 5

+

3 1550

x

+

3 5

x

=

306 5

+

933 1550

x

    The equation is transformed into :

306 5

+

933 1550

x

=

0

    Transposition :

933 1550

x

=

0

−

306 5

    Combine the items on the right of the equation:

933 1550

x

=

-

306 5

    The coefficient of the unknown number is reduced to 1 :

x

=

-

306 5

÷

933 1550

=

-

306 5

×

1550 933

=

-

102

×

310 311

    We obtained :

x

=

-

31620 311

    This is the solution of the equation.

    Convert the result to decimal form :

x

=

- 101.672026

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