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Bước 1
Write as an augmented matrix for .
Bước 2
Bước 2.1
Multiply each element of by to make the entry at a .
Bước 2.1.1
Multiply each element of by to make the entry at a .
Bước 2.1.2
Rút gọn .
Bước 3
Use the result matrix to declare the final solution to the system of equations.
Bước 4
Write a solution vector by solving in terms of the free variables in each row.
Bước 5
Write the solution as a linear combination of vectors.
Bước 6
Write as a solution set.