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    Work: Find the solution of equation 1319 = Ae3 .
    Question type: Equation
    Solution:Original question:

1319

=

A

×

3

    Transposition :

-

3

A

=

-

1319

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

1319

=

3

A

    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 :

3

A

=

1319

    The coefficient of the unknown number is reduced to 1 :

A

=

1319

÷

3

=

1319

×

1 3

    We obtained :

A

=

1319 3

    This is the solution of the equation.

    Convert the result to decimal form :

A

=

439.666667

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