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    Work: Find the solution of equation 5/18v+1/125v2－15 = 0 .
    Question type: Equation
    Solution:Original question:

5

÷

18

×

v

+

1

÷

125

×

v

×

2

−

15

=

0

Left side of the equation =

5 18

v

+

2 125

v

−

15

=

661 2250

v

−

15

    The equation is transformed into :

661 2250

v

−

15

=

0

    Transposition :

661 2250

v

=

0

+

15

    Combine the items on the right of the equation:

661 2250

v

=

15

    The coefficient of the unknown number is reduced to 1 :

v

=

15

÷

661 2250

=

15

×

2250 661

    We obtained :

v

=

33750 661

    This is the solution of the equation.

    Convert the result to decimal form :

v

=

51.059002

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