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    Work: Find the solution of equation 2X-140 = 2628900 .
    Question type: Equation
    Solution:Original question:

2

X

−

140

=

2628900

    Transposition :

2

X

=

2628900

+

140

    Combine the items on the right of the equation:

2

X

=

2629040

    The coefficient of the unknown number is reduced to 1 :

X

=

2629040

÷

2

=

2629040

×

1 2

=

1314520

×

1

    We obtained :

X

=

1314520

    This is the solution of the equation.

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