How To Solve Three Variables Linear Equation Organisation Past Times Using The Cramer's Rule

If A . X = C is a organisation of linear equations consisting of n linear equations together with n unknowns thence that det(A) ≠ 0, thence the sisterm of the equation has a unit of measurement solving. The short town tin sack travel solved past times using the formula:

The Formula of How to Solve 3 Variables Linear Equation System past times Using The Cramer's Rule

Where Aj is the matrix obtained past times substituting the entries inwards the jth column of the entries inwards the matrix.

Example:
Determine the short town of the equation below past times using the cramer's rule!

Answer:
The matrix organisation multiplication shape of the equation is:

From this shape obtained:

Therefore,

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Referensi :

• To'Ali's mass math grouping accounting together with sales