# 有限数学 示例

, ,

Write the system as a matrix.

Multiply each element of by to make the entry at a .

Multiply each element of by to make the entry at a .

Perform the row operation to make the entry at a .

Perform the row operation to make the entry at a .

Multiply each element of by to make the entry at a .

Multiply each element of by to make the entry at a .

Perform the row operation to make the entry at a .

Perform the row operation to make the entry at a .

Multiply each element of by to make the entry at a .

Multiply each element of by to make the entry at a .

Perform the row operation to make the entry at a .

Perform the row operation to make the entry at a .

Perform the row operation to make the entry at a .

Perform the row operation to make the entry at a .

Perform the row operation to make the entry at a .

Perform the row operation to make the entry at a .

Use the result matrix to declare the final solution to the system of equations.

The solution is the set of ordered pairs that make the system true.

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