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    Work: Find the solution of equation 10000 = 100+110*X+130*X+150*X+180*X .
    Question type: Equation
    Solution:Original question:

10000

=

100

+

110

X

+

130

X

+

150

X

+

180

X

Right side of the equation =

100

+

570

X

    The equation is transformed into :

10000

=

100

+

570

X

    Transposition :

-

570

X

=

100

−

10000

    Combine the items on the right of the equation:

-

570

X

=

-

9900

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

9900

=

570

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 :

570

X

=

9900

    The coefficient of the unknown number is reduced to 1 :

X

=

9900

÷

570

=

9900

×

1 570

=

330

×

1 19

    We obtained :

X

=

330 19

    This is the solution of the equation.

    Convert the result to decimal form :

X

=

17.368421

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